The Middle Ages were an era of mysticism, ruled by blind faith and blind obedience to the dogma that faith is superior to reason. The Renaissance was specifically the rebirth of reason, the liberation of man's mind, the triumph of rationality over mysticism - a faltering, incomplete, but impassioned triumph that led to the birth of science, of individualism, of freedom.

Ideas are the greatest and most crucially practical power on earth.

I am not primarily an advocate of capitalism, but of egoism; I am not primarily an advocate of egoism, but of reason. If one recognizes the supremacy of reason and applies it consistently, all the rest follows.

Since reason is man’s basic means of survival, that which is proper to the life of a rational being is the good; that which negates, opposes or destroys it is the evil.

When one acts on pity against justice, it is the good whom one punishes for the sake of the evil; when one saves the guilty from suffering, it is the innocent whom one forces to suffer. There is no escape from justice, nothing can be unearned and unpaid for in the universe, neither in matter nor in spirit—and if the guilty do not pay, then the innocent have to pay it.

There is no hope for the world unless and until we formulate, accept and state publicly a true moral code of individualism, based on man's inalienable right to live for himself. Neither to hurt nor to serve his brothers, but to be independent of them in his function and in his motive. Neither to sacrifice them for himself nor to sacrifice himself for them.

Hank, this is great." "Yes." He said it simply, openly. There was no flattered pleasure in his voice, and no modesty. This, she knew, was a tribute to her, the rarest one person could pay another: the tribute of feeling free to acknowledge one's own greatness, knowing that it is understood.