Do you mean to tell me that you're thinking seriously of building that way, when and if you are an architect?" Yes." My dear fellow, who will let you?" That's not the point. The point is, who will stop me?

A rational process is a moral process. You may make an error at any step of it, with nothing to protect you but your own severity, or you may try to cheat, to fake the evidence and evade the effort of the quest - but if devotion to the truth is the hallmark of morality, then there is no greater, nobler, more heroic form of devotion than the act of a man who assumes the responsibility of thinking.

In a capitalist society, all human relationships are voluntary. Men are free to cooperate or not, to deal with one another or not, as their own individual judgments, convictions and interests dictate.

Don't worry. They're all against me. But I have one advantage: they don't know what they want. I do.

The men who are not interested in philosophy need it most urgently; they are most helplessly in its power.

Each man must live as an end in himself and follow his own rational self-interest.

To the extent to which a man is rational, life is the premise directing his actions. To the extent to which he is irrational, the premise directing his actions is death.