I consider promiscuity immoral. Not because sex is evil, but because sex is too good and too important.

All the reasons which made the initiation of physical force evil, make the retaliatory use of physical force a moral imperative.

Learn to distinguish the difference between errors of knowledge and breaches of morality

It is not fools that I seek to address.

Rationalization is a process of not perceiving reality, but of attempting to make reality fit one’s emotions.

An idea is a light turned on in a man's soul. Comic-strip artists are in the habit of representing it by means of a light bulb flashing on, above the head of a character who has suddenly grasped an idea. In simple, primitive terms, this is an appropriate symbol.

Do not let the hero in your soul perish.