Being and Time book cover

Being and Time

Martin Heidegger
4.05(27205 Reviews)

Overview of Being and Time

Heidegger's "Being and Time" revolutionized 20th-century philosophy by challenging how we understand existence itself. This dense masterpiece influenced Jean-Paul Sartre's existentialism and sparked fierce debates across disciplines - a controversial intellectual earthquake that continues to reshape how we perceive our place in the world.

Key Themes in Being and Time

  • fundamental ontology
  • existential authenticity
  • phenomenology of dasein
  • being in the world
  • social conformity

Quotes from Being and Time

  • Dasein is always already 'in-the-world'

  • We do things 'because that's what one does.'

  • We adopt opinions 'because that's what they say.'

  • The 'they' is there alongside everywhere.

  • Anxiety individualizes Dasein.

Characters in Being and Time

  • Martin HeideggerAuthor and philosopher who wrote Being and Time
  • Hubert DreyfusRenowned interpreter of Heidegger's work
  • Patricia BennerScholar who applied Heidegger to nursing practice
  • SartreExistentialist thinker influenced by Heidegger
  • de BeauvoirExistentialist thinker influenced by Heidegger

About the Author

About the Author of Being and Time

Martin Heidegger (1889–1976) was a German philosopher and seminal figure in existential phenomenology, renowned for his foundational work Being and Time.

This landmark text, published in 1927, revolutionized 20th-century philosophy by interrogating the nature of human existence (Dasein) and the temporal structure of being. A professor at Freiburg and Marburg universities, Heidegger’s academic influence extended to prominent students like Hannah Arendt, Herbert Marcuse, and Hans-Georg Gadamer.

His controversial tenure as Freiburg’s rector during Nazi Germany’s rise remains a contentious aspect of his legacy, though his philosophical contributions persistently shape existential thought, hermeneutics, and critiques of technological modernity.

Heidegger’s later works, including Kant and the Problem of Metaphysics, further expanded his exploration of ontological plurality and historical epochs of being. Translated into over 30 languages, Being and Time endures as a cornerstone of philosophical discourse, inspiring interdisciplinary applications in theology, psychology, and cognitive science.

Download Summary of Being and Time

Get the Being and Time summary as a free PDF or EPUB. Print it or read offline anytime.

FAQs About This Book

From Columbia University alumni built in San Francisco

LOVED BY

1,000,000+ curious minds.

4.7
avg rating
1M+ learners

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star

"Instead of endless scrolling, I just hit play on BeFreed. It saves me so much time."

@Moemenn
platform
star
star
star
star
star

"I never knew where to start with nonfiction—BeFreed’s book lists turned into podcasts gave me a clear path."

@Chloe, Solo founder, LA
platform
comments
12
likes
117

"Perfect balance between learning and entertainment. Finished ‘Thinking, Fast and Slow’ on my commute this week."

@Raaaaaachelw
platform
star
star
star
star
star

"Crazy how much I learned while walking the dog. BeFreed = small habits → big gains."

@Matt, YC alum
platform
comments
12
likes
108

"Reading used to feel like a chore. Now it’s just part of my lifestyle."

@Erin, Investment Banking Associate , NYC
platform
comments
254
likes
17

"Feels effortless compared to reading. I’ve finished 6 books this month already."

@djmikemoore
platform
star
star
star
star
star

"BeFreed turned my guilty doomscrolling into something that feels productive and inspiring."

@Pitiful
platform
comments
96
likes
4.5K

"BeFreed turned my commute into learning time. 20-min podcasts are perfect for finishing books I never had time for."

@SofiaP
platform
star
star
star
star
star

"BeFreed replaced my podcast queue. Imagine Spotify for books — that’s it. 🙌"

@Jaded_Falcon
platform
comments
201
thumbsUp
16

"It is great for me to learn something from the book without reading it."

@OojasSalunke
platform
star
star
star
star
star

"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."

@Leo, Law Student, UPenn
platform
comments
37
likes
483

"Makes me feel smarter every time before going to work"

@Cashflowbubu
platform
star
star
star
star
star
Start your learning journey, now