A quest for self-respect is proof of its lack

every man is free to rise as far as he's able or willing, but the degree to which he thinks determines the degree to which he'll rise.

Every form of happiness if one, every desire is driven by the same motor--by our love for a single value, for the highest potentiality of our own existence--and every achievement is an expression of it.

No one's happiness but my own is in my power to achieve or to destroy.

Place nothing above the verdict of your own mind.

Morality is a code of black and white. When and if men attempt a compromise, it is obvious which side will necessarily lose and which will necessarily profit.

Morality pertains only to the sphere of man's free will - only to those actions which are open to his choice.