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.
Ayn RandOne's own independent judgment is the means by which one must choose one's actions, but it is not a moral criterion nor a moral validation; only reference to a demonstrable principle can validate one's choices.
Ayn Rand