There is no great harm in the theorist who makes up a new theory to fit a new event. But the theorist who starts with a false theory and then sees everything as making it come true is the most dangerous enemy of human reason.

To be wrong, and to be carefully wrong, that is the definition of decadence.

The old religionist cried out for his god. The new religionist cries out for some god to be his.

Never invoke the gods unless you really want them to appear. It annoys them very much.

Poets do not go mad; but chess-players do. Mathematicians go mad, and cashiers; but creative artists very seldom. I am not, as will be seen, in any sense attacking logic: I only say that this danger does lie in logic, not in imagination.

Let us not decide what is good, but let it be considered good not to decide it.

Is ditchwater dull? Naturalists with microscopes have told me that it teems with quiet fun.