The time you enjoy wasting is not wasted time.

No matter how eloquently a dog may bark, he cannot tell you that his parents were poor, but honest.

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

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

Truth is for the gods; from our human point of view, it is an ideal, towards which we can approximate, but which we cannot hope to reach.

Even in civilized mankind faint traces of monogamous instinct can be perceived.

What has human happiness to do with morals? The object of morals is not to make people happy.