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

But it is just this characteristic of simplicity in the laws of nature hitherto discovered which it would be fallacious to generalize, for it is obvious that simplicity has been a part cause of their discovery, and can, therefore, give no ground for the supposition that other undiscovered laws are equally simple.

Mysticism is, in essence, little more than a certain intensity and depth of feeling in regard to what is believed about the universe.

Much of the most important evils that mankind have to consider are those which they inflict upon each other through stupidity or malevolence or both.

There is exactly the same degree of possibility and likelihood of the existence of the Christian God as there is of the existence of the Homeric god. I cannot prove that either the Christian god or the Homeric gods do not exist, but I do not think that their existence is an alternative that is sufficiently probable to be worth serious consideration.

The man who only loves beautiful things is dreaming, whereas the man who knows absolute beauty is wide awake.

Without civic morality communities perish; without personal morality their survival has no value.