Society exists only as a mental concept; in the real world there are only individuals.

Religion is the fashionable substitute for belief.

What is a cynic? A man who knows the price of everything and the value of nothing.

I am very glad I have travelled. Travel improves the mind wonderfully, and does away with all one's prejudices.

The only thing that one really knows about human nature is that it changes. Change is the one quality we can predicate of it.

We can have in life but one great experience at best, and the secret of life is to reproduce that experience as often as possible.

I was working on the proof of one of my poems all the morning, and took out a comma. In the afternoon I put it back again.