The presence of those seeking the truth is infinitely to be preferred to the presence of those who think they've found it.

Mere animals couldn’t possibly manage to act like this. You need to be a human being to be really stupid.

...it is well known that a vital ingredient of success is not knowing that what you're attempting can't be done.

Sometimes I feel that the world is made up of sensible people who know the plot and bloody idiots who don't.

Apes had it worked out. No ape would philosophize, "The mountain is, and is not." They would think, "The banana is. I will eat the banana. There is no banana. I want another banana.

He thought about how it might be to be, say, a fox confronted with an angry sheep. A sheep moreover, that could afford to employ wolves.

When all else failed, she tried being reasonable.