"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.

The microwave oven is one of the modern objects that convey the most elemental feeling of power over the passing seconds ... If you suffer from hurry sickness in its most advanced stages, you may find yourself punching 88 seconds instead of 90 because it is faster to tap the same digit twice.

The basic idea of Western science is that you don't have to take into account the falling of a leaf on some planet in another galaxy when you're trying to account for the motion of a billiard ball on a pool table on earth. Very small influences can be neglected. There's a convergence in the way things work, and arbitrarily small influences don't blow up to have arbitrarily large effects.

He believed in the primacy of doubt, not as a blemish upon our ability to know, but as the essence of knowing.

It is not the amount of knowledge that makes a brain. It is not even the distribution of knowledge. It is the interconnectedness.

When information is cheap, attention becomes expensive.

Ideas that require people to reorganize their picture of the world provoke hostility.