Don't bother to examine a folly-ask yourself only what it accomplishes.

Whenever destroyers appear among men, they start by destroying money, for money is men's protection, and the base of a moral existence.

Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values.

If you get caught at some crucial point and somebody tells you that your doctrine doesn't make sense - you're ready for him. You tell him there's something above sense. That here he must not try to think, he must feel. He must believe. Suspend reason and you can play it deuces wild.

Man is a being with free will; therefore, each man is potentially good or evil, and it's up to him and only him (through his reasoning mind) to decide which he wants to be.

Aquinas brought an Aristotelian view of reason back into European culture, and lighted the way toward the Renaissance.

Ever since Kant divorced reason from reality, his intellectual descendants have been diligently widening the breach.