Progress is impossible without change; and those who cannot change their minds cannot change anything.

I love little children too but I don't cut off their heads and stick them in vases.

Two people getting together to write a book is like three people getting together to have a baby. One of them is superfluous.

First love is only a little foolishness and a lot of curiosity.

The seven deadly sins... food, clothing, firing, rent, taxes, respectability and children. Nothing can lift those seven millstones from Man's neck but money; and the spirit cannot soar until the millstones are lifted.

We know there is intention and purpose in the universe, because there is intention and purpose in us.

Life at its noblest leaves mere happiness far behind; and indeed cannot endure it. Happiness is not the object of life: life has no object: it is an end in itself; and courage consists in the readiness to sacrifice happiness for an intenser quality of life.