Science must not impose any philosophy, any more than the telephone must tell us what to say.

If a thing is worth doing, it is worth doing badly.

Poets do not go mad, but chess players do.

You shouldn't take a fence down until you know the reason it was put up.

The object of opening the mind, as of opening the mouth, is to shut it again on something solid.

Culture, like science, is no protection against demons.