Too great haste to repay an obligation is a kind of ingratitude.

'I can forgive but I cannot forget' is only another way of saying 'I will not forgive'. Forgiveness ought to be like a cancelled note - torn in two and burned up so that it never can be shown against one.

When you're finished changing, you're finished.

The serpent, the king, the tiger, the stinging wasp, the small child, the dog owned by other people, and the fool: these seven ought not to be awakened from sleep.

You'll never have a quiet world till you knock the patriotism out of the human race.