
In "Out of Character," DeSteno and Valdesolo shatter our belief in fixed personality traits. Based on experiments with 2,000+ participants, they reveal how saints become sinners and vice versa depending on context. Are you really who you think you are?
Feel the book through the author's voice
Turn knowledge into engaging, example-rich insights
Capture key ideas in a flash for fast learning
Enjoy the book in a fun and engaging way
Break down key ideas from Out of Character into bite-sized takeaways to understand how innovative teams create, collaborate, and grow.
Distill Out of Character into rapid-fire memory cues that highlight Pixar’s principles of candor, teamwork, and creative resilience.

Experience Out of Character through vivid storytelling that turns Pixar’s innovation lessons into moments you’ll remember and apply.
Ask anything, pick the voice, and co-create insights that truly resonate with you.

From Columbia University alumni built in San Francisco

Get the Out of Character summary as a free PDF or EPUB. Print it or read offline anytime.
Picture a respected governor, devoted family man, and Eagle Scout who simply vanishes from his post-not for a crisis, but to pursue an affair in Argentina. Mark Sanford's stunning fall from grace forces an uncomfortable question: Was his character always flawed, just hidden? Or is something more unsettling at play? We cling to the comforting belief that character is stable-good people do good things, bad people do bad things. Yet history tells a different story. During World War I's Christmas truce, British and German soldiers exchanged gifts and played soccer, only to resume killing each other days later. The same individuals capable of tender compassion became instruments of violence almost overnight. This isn't about a few broken people-it's about all of us. The potential for both virtue and vice doesn't live in separate people; it lives within each of us, waiting for the right conditions to emerge. We've been telling ourselves the wrong story about character. The classic image-an angel and devil on our shoulders-suggests we simply choose between good and evil. But that's not how our minds actually work. Think instead of Aesop's ant and grasshopper. The grasshopper represents our impulse for immediate pleasure: the dessert when we're trying to lose weight, the affair when we're committed, the shortcut when integrity demands the long road. The ant embodies our capacity for long-term thinking-the voice reminding us that today's pleasure becomes tomorrow's regret. Neither is inherently good or evil. Both served our ancestors well: immediate rewards kept them fed and reproducing, while long-term planning built communities and relationships. The tension between them isn't a bug in our psychology-it's a feature. But here's what makes character so slippery: this internal scale tips constantly based on factors we barely notice. A messy room, a pleasant scent, even how much sleep we got-all these shift the balance without our awareness. When we act "out of character," we haven't revealed our true nature. We've simply tipped the scale.