Neither technology nor efficiency can acquire more time for you, because time is not a thing you have lost. It is not a thing you ever had.

Tiny differences in input could quickly become overwhelming differences in output.... In weather, for example, this translates into what is only half-jokingly known as the Butter- fly Effect—the notion that a butterfly stirring the air today in Peking can transform storm systems next month in New York.

Running for president is the new selfie.

For [Richard] Feynman, the essence of the scientific imagination was a powerful and almost painful rule. What scientists create must match reality. It must match what is already known. Scientific creativity is imagination in a straitjacket.

"Half genius and half buffoon," Freeman Dyson ... wrote. ... [Richard] Feynman struck him as uproariously American-unbuttoned and burning with physical energy. It took him a while to realize how obsessively his new friend was tunneling into the very bedrock of modern science.

I can't remember the last book that taught me so much, and so well, about what it means to be human.

As soon as the printing press started flooding Europe with books, people were complaining that there were too many books and that it was going to change philosophy and the course of human thought in ways that wouldnt necessarily be good.