When information is cheap, attention becomes expensive.

The alternative to doubt is authority, against which science had fought for centuries.

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.

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

Google is where we go for answers. People used to go elsewhere or, more likely, stagger along not knowing.

It sometimes seems as if curbing entropy is our quixotic purpose in this universe.

In the mind's eye, a fractal is a way of seeing infinity.