Philosophy, from the earliest times, has made greater claims, and achieved fewer results, than any other branch of learning.

No nation was ever so virtuous as each believes itself, and none was ever so wicked as each believes the other.

Machines are worshipped because they are beautiful and valued because they confer power; they are hated because they are hideous and loathed because they impose slavery.

I never held Negroes to be inherently inferior. The statement in Marriage and Morals refers to environmental conditioning. I have had it withdrawn from subsequent editions because it is clearly ambiguous.

Most political leaders acquire their position by causing large numbers of people to believe that these leaders are actuated by altruistic desires

For my part I distrust all generalizations about women, favorable and unfavorable, masculine and feminine, ancient and modern; all alike, I should say, result from paucity of experience.

This has been my life. I have found it worth living, and would gladly live it again if the second chance were offered me.