When we perceive any object of a familiar kind, much of what appears subjectively to be immediately given is really derived from past experience.
Men are born ignorant, not stupid. They are made stupid by education. Bertrand Russel
As men begin to grow civilized, they cease to be satisfied with mere taboos.
Whoever wishes to become a philosopher must learn not to be frightened by absurdities.
Few people can be happy unless they hate some other person, nation, or creed.