My principal objections to orthodox religion are two: slavery here and hell hereafter.

Hope is the consolation of the world.

Years should not be devoted to the acquisition of dead languages or to the study of history which, for the most part, is a detailed account of things that never occurred. It is useless to fill the individual with dates of great battles, with the births and deaths of kings. They should be taught the philosophy of history, the growth of nations, of philosophies, theories, and, above all, of the sciences.

Lincoln was not a type. He stands alone - no ancestors, no fellows, no successors.

It has always seemed to me that a being coming from another world, with a message of infinite importance to mankind, should at least have verified that message by his own signature. Is it not wonderful that not one word was written by Christ?

In the republic of mediocrity, genius is dangerous.

I believe that there is something far nobler than loyalty to any particular man. Loyalty to the truth as we perceive it - loyalty to our duty as we know it - loyalty to the ideals of our brain and heart - is, to my mind, far greater and far nobler than loyalty to the life of any particular man or God. . . .