"I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine."

"The most selfish of all things is the human mind."

"Achievement of your happiness is the only moral purpose of your life."

"Civilization is the process of setting man free from men."

"The spread of evil is the symptom of a vacuum. Whenever evil wins, it is only by default: by the moral failure of those who evade the fact that there can be no compromise on basic principles."