Men whose lives are doubtful want a strong government and a hot religion

There was one who thought himself above me, and he was above me until he had that thought.

We awaken in others the same attitude of mind we hold toward them.

A friend is one who knows you and loves you just the same.

The only way to retain love is to give it away.

Theology, by diverting the attention of men from this life to another, and by endeavoring to coerce all men into one religion, constantly preaching that this world is full of misery, but the next world would be beautiful - or not, as the case may be - has forced on men the thought of fear where otherwise there might have been the happy abandon of nature.

The reason men oppose progress is not that they hate progress, but that they love inertia.