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How do you know you exist? - James Zucker

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21,328 Questions Answered

TEDEd Animation

Let’s Begin…

How do you know you’re real? Is existence all just a big dream? Has some mad scientist duped us into simply believing that we exist? James Zucker investigates all of these questions (and more) in this mind-boggling tribute to René Descartes’s Meditations on First Philosophy.

What does the phrase "I think, therefore I am" mean?

About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator James Zucker
  • Director John R. Dilworth
  • Artist Kyra Kupetsky, Maria Ulacia
  • Sound Designer William Hohauser
  • Script Editor Addison Anderson
  • Narrator Addison Anderson

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