Albert Einstein died on this day 63 years ago, but he remains one of the greatest minds of the 20th century. His contributions to human knowledge are unparalleled.
The physicist conducted groundbreaking research on how our universe functions, formulated the Theory of Relativity, and predicted the existence of gravitational waves a century before we observed them.
Einstein wasn't just brilliant, he was deep: a scientist-philosopher who knew just how to describe the human condition. That genius, combined with the human highs and lows Einstein witnessed during his lifetime, made for a perspective on life that's yet to be matched.
We've compiled a list of Einstein's 15 best quotes, which teach us about the mind, learning, and that crazy thing called life.
Sean Kane contributed to an earlier version of this story.
SEE ALSO: How Einstein became a suspected spy in a clip from the new TV show 'Genius'
On the passing of time
On being happy
On education
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