Socrates didn't care to visit the theater, as a rule, except when the plays of Euripides (which some think, he himself had helped to compose), were performed.

The principal axiom in their theory was: Everything can be proved, and everything can be disproved; and in the process, one must profit as much from the folly of others, and from his own superiority, as he can.

Reader! To whatever visible church, synagogue, or mosque you may belong! See if you do not find more true religion among the host of the excommunicated than among the far greater host who excommunicated them.

When Socrates was about 30, and his father was long dead, he was still pursuing the art of sculpture, but from necessity, and without much inclination.

We would be able neither to remember nor to reflect nor to compare nor to think, indeed, we would not even be the person who we were a moment ago, if our concepts were divided among many and were not to be encountered somewhere together in their most exact combination.

My religion recognizes no obligation to resolve doubt other than through rational means; and it commands no mere faith in eternal truths

Judaism boasts of no exclusive revelation of eternal truths that are indispensable to salvation, of no revealed religion in the sense in which that term is usually understood.