Congress shall make no law abridging the freedom of production and trade...

Because, you see, God—whatever anyone chooses to call God—is one's highest conception of the highest possible. And whoever places his highest conception above his own possibility thinks very little of himself and his life. It's a rare gift, you know, to feel reverence for your own life and to want the best, the greatest, the highest possible, here, now, for your very own. To imagine a heaven and then not to dream of it, but to demand it.

From this simplest necessity to the highest religious abstraction, from the wheel to the skyscraper, everything we are and everything we have comes from a single attribute of man—the function of his reasoning mind.

... reason accepts no commandments.

Ferris: Are you going to be as impractical as that? Rearden: The evaluation of an action as practical, Dr. Ferris, depends on what it is that one wishes to practice. Ferris: Haven't you always placed your self-interest above all else? Rearden: That is what I am doing right now.