A faith that cannot survive collision with the truth is not worth many regrets.

The entire sweep of human history from the dark ages into the unknown future was considerably less important at the moment than the question of a certain girl and her feelings toward him.

Finding intelligent life would encourage people and also of course the opportunity of learning a tremendous amount, but this is a danger. We might be so overwhelmed with knowledge and information, that we might be depressed or even become suicidal - because what's the point if they're thousands of years ahead of us? Why should we bother? - or become the ultimate couch potatoes.

The person one loves never really exists, but is a projection focused through the lens of the mind onto whatever screen it fits with least distortion.

We have to abandon the idea that schooling is something restricted to youth. How can it be, in a world where half the things a man knows at 20 are no longer true at 40 - and half the things he knows at 40 hadn't been discovered when he was 20?

I'm quite fond of the writer who told a beginning author, "If you've got a message, use Western Union."

Now I understand,” said the last man.