Man must be certain of his morality for the simple reason that he has to suffer for it.

The word "good" has many meanings. For example, if a man were to shoot his grandmother at a range of five hundred yards, I should call him a good shot, but not necessarily a good man.

Art, like morality, consists of drawing the line somewhere.

Men do not differ much about what things they will call evils; they differ enormously about what evils they will call excusable.

Culture, like science, is no protection against demons.

The word "good" has many meanings. For example, if a man were to shoot his grandmother at a range of five hundred yards, I should call him a good shot, but not necessarily a good man.