The main thing needed to make men happy is intelligence.

There is an artist imprisoned in each one of us. Let him loose to spread joy everywhere.

A man without a bias cannot write interesting history - if indeed such a man exists.

Change is one thing, progress is another.

Either man will abolish war, or war will abolish man.

There is no reason to suppose that the world had a beginning at all. The idea that things must have a beginning is really due to the poverty of our thoughts.

I am aware that many divines are far more marvelous than I am, and that I cannot wholly appreciate merits so far transcending my own. Nevertheless, even after making allowances under this head, I cannot but think that Omnipotence operating through all eternity might have produced something better.