An inventor is a man who asks 'Why?' of the universe and let... - Ayn Rand

"Man is an end in himself."

"My philosophy, in essence, is the concept of man as a heroic being, with his own happiness as the moral purpose of his life, with productive achievement as his noblest activity, and reason as his only absolute."

"Definitions are the guardians of rationality, the first line of defense against the chaos of mental disintegration."

"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."

"And now I see the face of god, and I raise this god over the earth, this god whom men have sought since men came into being, this god who will grant them joy and peace and pride. This god, this one word: 'I."