1장
The Moral Compass We've Lost: Rediscovering Virtue in a World That's Forgotten It
When Peter Kreeft's "Back to Virtue" was first published in 1986, it landed like a thunderclap in an increasingly relativistic culture. While society was embracing "values clarification" and moral subjectivism, Kreeft dared to suggest something radical: that objective moral truths exist, that virtues and vices are real, and that our civilization's survival depends on rediscovering them. The book has since become required reading in many Christian universities and seminaries, with theologians like Timothy Keller citing it as foundational to their understanding of ethics. What makes this work particularly compelling is how Kreeft, a philosophy professor at Boston College for over 50 years, bridges ancient wisdom with contemporary challenges, showing that virtue isn't some dusty concept but the very lifeblood of human flourishing. As we navigate today's polarized moral landscape, Kreeft's clarion call to return to virtue offers a path forward that transcends political tribalism and speaks to our deepest human needs.
2장
The Moral Crisis: When Virtue Became a Foreign Language
What's more shocking than Christian hypocrisy? The changing of moral rules that makes hypocrisy impossible! When a pastor abandons his family or a Christian businessman is exposed as a crook, these represent the perennial problem of not practicing what one preaches. But when denominations officially approve what their scriptures forbid, when churches redefine morality itself-this represents something new and far more dangerous: not merely lacking virtue but lacking knowledge of virtue itself.
Our civilization faces an unprecedented crisis-precisely when we've gained the technological power to destroy humanity, we've lost the moral map that guides us. Nuclear weapons have done what all the sages couldn't: made virtue necessary for survival. As W.H. Auden put it, "We must love one another or die."
Modern Western civilization stands as a historical anomaly, answering life's purpose differently than all predecessors. Instead of wisdom, self-discipline, and virtue, we've embraced Francis Bacon's "conquest of nature"-turning Aristotle's hierarchy upside-down, valuing power over moral action over truth.
Our weakness isn't technological or intellectual-we're drowning in knowledge and power. Nor are we necessarily more wicked overall than our ancestors (we're better at soft virtues like tolerance, worse at hard ones like chastity). But we're catastrophically weaker in moral knowledge itself. For the first time in history, we've lost objective moral law, embracing moral relativism and subjectivism. We talk endlessly about ethics while rejecting the very notion of moral truth.
We've split reality into two worlds: privatized subjective "values" (mere feelings) and collectivized "mores" (mere behaviors). We've become ghosts in machines, alienated from the unified reality that includes both facts and goods, both what is and what ought to be.
Two telling developments reveal our value-ignorance: "values clarification" is in vogue while proverbs are out. Proverbs represent accumulated wisdom and moral truths from our ancestors-real virtues. But we no longer believe in real virtues, so we've replaced them with discussion, moral ping-pong, "values clarification."
In these programs, "facilitators" (no longer teachers, since there's nothing true to teach) merely ask students questions about their personal values. Unlike Socrates, these questions never probe roots or principles-only feelings and calculations. The implicit lesson is devastating: values are subjective preferences, never objective truths.
3장
The Spiritual Diagnosis: How Our Civilization Lost Its Soul
Western civilization is sick, requiring not analysis of material illnesses like poverty, but of our spiritual illnesses. This cultural psychoanalysis examines the soul of our civilization, recognizing that individuals seek psychological help because our whole civilization hurts inside. The psychosomatic unity of human beings means material problems reflect spiritual ones-external wars externalize internal wars.
Common sense reveals something radically wrong with a civilization where millions pursue pointless luxuries while others starve, where no mechanism moves money from luxury yachts to starving babies quickly enough to save them. As C.S. Lewis observed, our rapid food production leaves half starving, our aphrodisiacs make us impotent, and our labor-saving devices have banished leisure.
All practical philosophers follow four basic steps in their analysis, reflecting the fundamental structure of our existence:
1. Observation of symptoms (the undesired effects)
2. Diagnosis of disease (the undesired cause)
3. Prognosis of cure (the desired effect)
4. Prescription for treatment (the desired cause)
This combines the objective scientific law of cause and effect with our subjective human desire to avoid suffering and attain happiness. The resulting practical analysis framework addresses: the problem (undesired effect), its cause (undesired cause), the solution (desired effect), and how to achieve it (desired cause).
Plato's practical philosophy, which Emerson claimed "is philosophy," and which Whitehead described all Western philosophy as "footnotes to," can be distilled into four startlingly simple points:
1. Our problem is that we are not good-we're full of vices.
2. The cause is ignorance-we do evil because we ignorantly think it benefits us.
3. The solution is virtue-good individuals create a good society.
4. The path to virtue is knowledge of the Good-if we truly knew virtue always benefited us, we would have no motive for vice.
Christ's teachings follow this same structure, providing clarity for both Christians and apologetics:
1. Our most spectacular symptom is death-Christ came to conquer it.
2. The cause is sin-Adam's separation from God entered our very being.
3. We can't save ourselves, but God saves us by sending his Son.
4. The prescription is faith-believing in Christ causes us to receive Christ.
4장
The Four Cardinal Virtues: Foundations of Human Excellence
The cardinal virtues aren't merely Platonic inventions but are embedded in Scripture and human nature itself. Called "cardinal" from the Latin for "hinge," these virtues are the foundation upon which all others depend. Plato discovered rather than created them, just as Newton discovered laws of motion.
These virtues match our soul's inherent structure. Justice is harmony of the soul, wisdom guides reason, courage strengthens will, and moderation governs desires. The hierarchy matters: reason should lead will, which should lead appetites. When inverted, we get rationalization, greed, animalism, and unfreedom.
My students once wanted to create a "new ethic" from scratch. Their "discoveries" turned out to be precisely Plato's cardinal virtues: justice as harmony, wisdom as understanding, courage as moral strength, and moderation as proper relationship to material things. They were astonished to find these "modern" ideas in ancient texts.
These virtues remain relevant because they address unchanging human nature, not passing trends. Virtue is simply health of soul. For Christians, these natural virtues aren't replaced by supernatural ones but provide their foundation. Faith works-it's not passive waiting for God's grace but actively cultivating virtuous habits. As with the Sea of Galilee versus the Dead Sea, living waters must flow outward through virtuous action or become stagnant.
These four cardinal virtues are the necessary foundation for all others. Without courage, one cannot overcome difficulties in practicing any virtue. Without wisdom, virtue sinks to blind animal instinct. If we are to rebuild civilization, we must build on foundations anchored in our being, which ultimately must be anchored in God, whose image we bear.
5장
Faith, Hope, and Love: The Divine Life Within
The natural virtues, while good and real, aren't sufficient for salvation or even for this life alone. Without supernatural virtues, natural virtues inevitably fail and decay. Without charity, we cannot fulfill justice - our attempts at fairness become cold and legalistic. Without hope in Heaven, courage falters in the face of ultimate meaninglessness. Without faith, human wisdom becomes mere cleverness and, ultimately, foolishness to God. Without divine grace, genuine self-control remains perpetually beyond our grasp, leaving us trapped in cycles of desire and restraint.
Faith, the first theological virtue, transcends mere intellectual belief or emotional trust. It flows from the heart, the very center of the human person, transforming our entire being. Its object is not merely propositions about God or religious doctrines, but God Himself - the living, personal Reality behind all reality. Faith is fundamentally saying "yes" to God's marriage proposal - simple in essence yet profound in implications. From this root grows genuine understanding, which is why the saints, though often unschooled, knew God more accurately than the most brilliant unbelieving philosophers. Consider Francis of Assisi, whose childlike faith revealed deeper truths than medieval scholasticism.
Hope, often forgotten or misunderstood in our materialistic age, means absolute certainty in God's promises. Unlike today's trivialized "I hope so," Christian hope is "sure and certain" - an anchor of the soul. It recognizes that our deepest longings - for perfect justice, endless love, eternal life - aren't meaningless subjective feelings but rather a spiritual radar detecting objective reality. Our desire for God is actually God's own trace within our being, like a divine signature in the human heart. This hope sustains martyrs and transforms ordinary believers into extraordinary witnesses.
Love (agape) stands as the greatest virtue - utterly distinct from natural human affection, romantic desire, or even noble friendship. This is the radical, self-giving love that created the universe and sent Christ to the Cross. This supernatural love flows from divine fullness, not human need or lack. When we contemplate the crucifix, Christ's wounds speak a profound "I love you" that transcends emotion. Unlike mere humanitarian compassion, agape is active, revolutionary, and transformative - it doesn't just feel sorry for the poor but identifies with them, doesn't just wish enemies well but sacrifices for them.
These three theological virtues form an organic unity: faith is the root, grounding us in divine reality; hope is the stalk, lifting our eyes to heaven; and love is the fruit, manifesting God's life in our actions. Together they receive and channel God's own life within us - the "one thing necessary" Jesus spoke of to Martha. This divine life, this participation in God's nature, finds its perfect expression in the Beatitudes, where natural human values are transformed and elevated by grace into a new way of being.
6장
The Beatitudes: God's Revolutionary Roadmap to Joy
The Beatitudes are God's perfect description of the joy found in supernatural virtue-the greatest sermon ever preached that takes only fifteen minutes to read yet has changed the world more than any other speech. This sermon begins with the Beatitudes, which are God's answer to humanity's greatest question: where to find true blessedness. The Beatitudes function as a divine road map to life's most precious treasure, shocking us with their radical nature like "great jets of flame from the divine fire."
The Sermon on the Mount, despite its brevity, has transformed the world more than any other speech. Even Gandhi found nothing in Hinduism to equal it, and even atheists acknowledge its greatness. Jesus delivered this sermon as the new Moses, giving the new law from a mountain.
Jesus doesn't liberalize the Law but tightens it, demanding we avoid not just murder but hate, not just adultery but lust. The Law functions as our diagnosis, showing us our need for Christ as the cure. When we hear Jesus' demands, we should cry "God be merciful to me, a sinner" rather than feel self-satisfied.
Beatitude is what all humans seek in everything we pursue-the summum bonum or "greatest good." Everyone seeks it through pleasure, power, riches, virtue, wisdom or honor, but not everyone finds it because they lack the divine road map. Jesus freely gives us this treasure map to life's most precious treasure, revealing truths we could never discover on our own.
Beatitude differs fundamentally from happiness-it's objective rather than subjective, permanent rather than temporary, and dependent on God's grace rather than fortune. Unlike happiness, blessedness can include suffering, as with Job who was blessed though not happy. Jesus' Beatitudes shock us with their paradoxical nature, revealing that apparent losers are real winners in God's kingdom.
Each Beatitude presents an outrageous paradox where those worldly wisdom deems least blessed are actually most blessed. This staggering contrast between appearance and reality challenges us deeply. Many preachers try to make these teachings "acceptable" by watering them down, but this is arrogance-our job is not to convert the world by making Christ palatable, but to deliver his message intact.
7장
Pride vs. Poverty of Spirit: The Battle for the Human Heart
Aristotle classified pride as a virtue, while Christianity condemns it as the greatest vice. This stark contrast represents one of the sharpest distinctions between Christian and pagan morality. Pride is universally loathed when seen in others yet rarely recognized in ourselves. It's the original sin of both Satan and humanity-putting self before God, violating the first commandment.
Augustine divided humanity into two "cities": those who "love God to the despising of self" and those who "love self to the despising of God." Pride excludes both God and neighbor, as it's essentially competitive. It's the living heart of all sins, each declaring "my will be done" rather than "Thy will be done."
Pride differs from vanity-the truly proud person doesn't care what others think. It's not thinking highly of yourself but willfully arrogating what belongs to God. Modern society has embraced pride through its obsession with power and control, making the Tower of Babel our perfect emblem. Our culture promotes being "adult" and "taking charge," while Jesus taught we must become like children to enter Heaven.
The antidote to pride isn't despair (its secret twin) but humility-the first and foundational virtue, the root from which all other virtues grow. Poverty of spirit isn't weakness but strength through emptiness and receptivity to God. When we empty ourselves, God fills us with true power that exceeds all worldly strength.
The power of spiritual poverty works through emptiness-just as bowls, windows, and rooms are useful because of their emptiness, and a womb generates life through its emptiness. Our strength lies in our receptivity to God, our active passivity. With empty hands, God fills us; with full hands, He finds no place. Our beggary becomes our hope.
We must unload our spiritual baggage like merchants at Jerusalem's Needle's Eye gate. We cling to our "mudpies" as C.S. Lewis put it, when God offers us the seaside. Unlike Buddhists seeking detachment for tranquility, Christians detach from worldly things to attach to God-we become spiritually poor to become spiritually rich.
8장
The Path of Mercy vs. The Prison of Greed
Avarice-once called "covetousness"-is the immoderate desire for temporal possessions. Money tempts universally because it promises security and self-sufficiency, imitating divine attributes. Though creatures themselves are good (as God pronounced creation "very good"), fallen man worships them rather than the Creator.
God emphasized avarice's danger through the Tenth Commandment, and Jesus spoke more about money than any other sin. James identified avarice as the root of war: "You desire and do not have; so you kill."
Avarice manifests as both greed to acquire and greed to keep. Its opposites are contentment (voluntary poverty) and liberality (generosity). Our capitalist society particularly fuels avarice through competition, advertising, the profit motive, and a monetary system with no natural limits. Yet avarice fundamentally misunderstands happiness, assuming it comes from having rather than being. We can possess only what's less than ourselves, while true fulfillment comes from what's greater-God and his attributes.
Mercy brings fourfold blessing: (1) God rewards mercy-givers in this life; (2) even worldly people respond well to mercy; (3) God rewards mercy in the next life as natural completion of earthly rewards; and (4) our habit of mercy makes us capable of receiving God's mercy.
Mercy is supremely practical-the only solution to sin, war, and hatred. We must even "forgive God" for his painful but loving surgery on our spirits. Only fools demand justice; mercy is our only hope from God and others' only hope from us. Justice must be acknowledged before mercy can transcend it, and there's a deep justice in this transcendence-those who go beyond justice to mercy justly receive mercy in return.
9장
The Peacemakers: Winning Through Surrender
Peace is not merely the absence of war but a positive state of rest in our ultimate end. Augustine identifies peace as the end of society itself. In our nuclear age, peace has become an absolute necessity for survival.
True peace comes only from God-its sole Author. This is why peacemakers are called "sons of God"-they share in their Father's nature and work. The beatitude doesn't merely praise peace-lovers but the rarer peace-makers who actively create it.
Christ made peace in the most surprising way-not through military or political means, but by dying. He stopped Peter's sword and healed the enemy's ear, then drained away war by becoming the universal victim. The Lamb wins against the Beast by losing, triumphing through death.
The peace Christ gives differs from worldly peace. It comes through spiritual warfare against "principalities and powers" rather than human enemies. From this spiritual peace between humanity and God flows peace between humans. This is why the early Christians didn't fight to abolish slavery politically-they attacked its root in the human heart.
The narrow way to peace is becoming a child of God in Christ. Soul-winning is the ultimate peacemaking-spreading "the good infection of Christ" through love.
Anger becomes sinful only when the will is involved and when it's inordinate. God's wrath differs from human anger by analogy-not a primitive myth but something real that flows from His inner nature rather than external stimuli. It's His perfect justice and holiness, experienced as wrath by His enemies but as goodness by His friends.
When we identify with our sin rather than repenting, it seems God is angry at us personally rather than just our sin. God both truly hates sin and truly loves sinners-He practices the same morality He preaches to us. This means our modern morality of mere tolerance falls short of God's standards, while our tendency to let anger settle into hatred goes too far.
10장
The Hunger That Leads to Fullness
Sloth is the most distinctively modern of the Seven Deadly Sins, despite our society's apparent busyness and productivity. Thomas Aquinas defines sloth not as mere laziness but as "sorrow about spiritual good"-a joylessness when faced with God as our supreme joy.
This makes sloth a mortal sin because it dissolves charity, one of the three theological virtues that attach us to God. By robbing us of our appetite for God, sloth prevents us from seeking Him, and those who don't seek don't find. The eternal divide isn't between those who have found God and those who haven't, but between seekers and non-seekers.
Sloth is hell on earth-finding Joy himself joyless. It's a cold sin rather than a hot one, making it deadlier. As Pascal noted, those who neither seek nor find God are "unreasonable and unhappy." When we apply sorrow to our highest end and say No to God's offer of supreme joy, we become spiritually dead. Rebellion against God is actually closer to Him than indifference is, just as hatred is closer to love than indifference.
The cure for sloth is seeking God through hungering for righteousness. This hunger is our fundamental nature-our souls need spiritual food just as our bodies need physical food.
Faith is the root of this hunger for righteousness. To test whether we truly hunger for righteousness, Augustine proposes a thought experiment: imagine God offering you everything imaginable in this world and the next, with no restrictions or guilt, but with one condition-you shall never see God's face. If this offer chills your heart, you've demonstrated that you value God above all worldly treasures.
This test reveals whether our basic desire is to give or to get. Union with the world comes through possession, but union with God comes only through giving ourselves to Him. God has already given Himself through Creation, Incarnation, and Redemption-the question is whether we give ourselves in return.
11장
The Revolution of Virtue: Why It Matters Now
Moral traditionalists are not drab doomers but hopeful rebels in an age where orthodoxy is the only possible rebellion. Western civilization need not die yet-we have fifteen footholds on the slippery slope: the four cardinal virtues, three theological virtues, and eight Beatitudes. The superstition that traditional virtue is dull is dying. Virtue is actually winsome-it wins the world because we cannot change human nature; what God designed cannot be undesigned.
The modern error opposes virtue to happiness, reversing the oldest equation of philosophers. The ancients could be passionate about virtue, while today's defenders of virtue have lost this key to its winsomeness. When the world sees that heroic virtue is the most fascinating life possible, as it did two thousand years ago, it will be won again. A recent poll showed American Catholic teenagers most want what their Church fails to give them: a high and heroic ideal.
The stakes are high: survival in this world and happiness in the next. The world will be won when the best are full of passionate conviction rather than lacking it while the worst are full of passionate intensity. We must reignite the dynamite of God, love, and Heaven-the greatest sources of passion possible-to save our world, for Heaven's sake.
There are three reasons to practice virtue: to please God out of love, to have a healthy human soul, and to survive. In the nuclear age, we must love one another or die, but survival requires a reason to survive, which leads us to religion. Three principles form a logical syllogism: without virtue, civilization dies; without religion, virtue dies; therefore without religion, civilization dies.
History proves the first principle-civilizations thrive in proportion to their virtue and decay when virtue decays. The second principle is illuminated by Dostoyevsky's saying that without God, everything becomes permissible. Nietzsche and Sartre, consistent atheists, agree with this premise.
Moses puts the issue simply: "Choose life"-God's life of grace, the life of virtue for our souls, and the life of peace and civilization for our bodies. This commandment is not mysterious or distant but "very near you, in your mouth and in your heart."