If there are degrees of evil, it is hard to say who is more contemptible: the brute who assumes the right to force the mind of others or the moral degenerate who grants to others the right to force his mind.

Whenever a man denounces the mind, it is because his goal is of a nature the mind would not permit him to confess.

I will stop the motor of the world.

There can be no causeless love or any sort of causeless emotion. An emotion is a response to a fact of reality, an estimate dictated by your standards.

Man cannot survive except by gaining knowledge, and reason is his only means to gain it.

Every form of causeless self-doubt, every feeling of inferiority and secret unworthiness is, in fact, man's hidden dread of his inability to deal with existence.

A trader is a man who earns what he gets and does not give or take the undeserved.