Government can easily exist without laws, but law cannot exist without government.

To a mind of sufficient intellectual power, the whole of mathematics would appear trivial, as trivial as the statement that a four-footed animal is an animal.

Why is propaganda so much more successful when it stirs up hatred than when it tries to stir up friendly feeling?

My conclusion is that there is no reason to believe any of the dogmas of traditional theology and, further, that there is no reason to wish that they were true. Man, in so far as he is not subject to natural forces, is free to work out his own destiny. The responsibility is his, and so is the opportunity.

The main thing needed to make men happy is intelligence.

Zeno was concerned with three problems... These are the problem of the infinitesimal, the infinite, and continuity.

Those who forget good and evil and seek only to know the facts are more likely to achieve good than those who view the world through the distorting medium of their own desires.