All evil comes from the old. They grow fat on ideas and young men die of them.

It is not only that sin consists in doing evil, but in not doing the good that we know.

“I consider in my own mind whether thou art a spirit, sometimes, or sometimes an evil imp," said the lama, smiling slowly.”

Mankind is not likely to salvage civilization unless he can evolve a system of good and evil which is independent of heaven and hell.

There is no safety for honest men except by believing all possible evil of evil men.

Attack the evil that is within yourself, rather than attacking the evil that is in others.

Evil can be undone, but it cannot "develop" into good.

There can be no justification for choosing any part of that which one knows to be evil.