Great truths can only be forgotten and can never be falsified.

A man cannot think himself out of mental evil; for it is actually the organ of thought that has become diseased, ungovernable, and, as it were, independent. He can only be saved by will or faith. The moment his mere reason moves, it moves in the old circular rut; he will go round and round his logical circle.

Poets have been mysteriously silent on the subject of cheese.

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.

Virtue is not the absence of vices or the avoidance of moral dangers; virtue is a vivid and separate thing, like pain or a particular smell. Mercy does not mean not being cruel or sparing people revenge or punishment; it means a plain and positive thing like the sun, which one has either seen or not see.

Modern intelligence won't accept anything on authority. But it will accept anything without authority.