At its most fundamental, information is a binary choice. In other words, a single bit of information is one yes-or-no choice.

You can't waste time and you can't save time; you can only choose what you do at any given moment.

I have seen the future, and it is still in the future.

Geniuses of certain kinds - mathematicians, chess players, computer programmers - seem, if not mad, at least lacking in the social skills most easily identified with sanity.

"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.

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.

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.