We know how many mistakes we've made.

The more the universe seems comprehensible, the more it also seems pointless.

An expert is a person who avoids the small errors while sweeping on to the grand fallacy.

With or without religion, good people can behave well and bad people can do evil; but for good people to do evil - that takes religion.

The effort to understand the universe is one of the very few things that lifts human life a little above the level of farce, and gives it some of the grace of tragedy.

Maybe nature is fundamentally ugly, chaotic and complicated. But if it's like that, then I want out.