Rules?" said Roark. "Here are my rules: what can be done with one substance must never be done with another. No two materials are alike. No two sites on earth are alike. No two buildings have the same purpose. The purpose, the site, the material determine the shape. Nothing can be reasonable or beautiful unless it's made by one central idea, and the idea sets every detail. A building is alive, like a man. Its integrity is to follow its own truth, its one single theme, and to serve its own single purpose. A man doesn't borrow pieces of his body. A building doesn't borrow hunks of its soul. Its maker gives it the soul and every wall, window and stairway to express it.

In 1941 Paramount Pictures produced a movie version of the play. The novel centers on an uncompromising young architect named Howard Roark and his struggle against what Rand described as "second-handers"—those who attempt to live through others placing others above self. Afterward Ayn Rand turned to nonfiction to promote her philosophy publishing her own magazines and releasing several collections of essays until her death in 1982.

Ayn Rand (pron. In politics Ayn Rand condemned the initiation of force as immoral and opposed collectivism and statism as well as anarchism instead supporting a minarchist limited government and laissez-faire capitalism which Ayn Rand believed was the only social system that protected individual rights.