The satisfaction to be derived from success in a great constructive enterprise is one of the most massive that life has to offer.

Unless you assume a God, the question of life's purpose is meaningless.

Religion may in most of its forms be defined as the belief that the gods are on the side of the government.

Religions, which condemn the pleasures of sense, drive men to seek the pleasures of power. Throughout history power has been the vice of the ascetic.

The habit of looking to the future and thinking that the whole meaning of the present lies in what it will bring forth is a pernicious one. There can be no value in the whole unless there is value in the parts.

Dogmatism and skepticism are both, in a sense, absolute philosophies; one is certain of knowing, the other of not knowing. What philosophy should dissipate is certainty, whether of knowledge or ignorance.

Teachers are more than any other group the guardians of civilization.