“I told them that the form of a building must follow its function".”

“A building has integrity, just as a man and just as seldom! It must be true to its own idea, have its own form, and serve its own purpose!".”

“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.”

“If a drought strikes them, animals perish--man builds irrigation canals; if a flood strikes them, animals perish--man builds dams; if a carnivorous pack attacks them, animals perish--man writes the Constitution of the United States.”

“I don't build in order to have clients. I have clients in order to build!":”

“Man's mind is his basic tool of survival. Life is given to him, survival is not. His body is given to him, its sustenance is not. His mind is given to him, its content is not. To remain alive, he must act, and before he can act he must know the nature and purpose of his action. He cannot obtain his food without a knowledge of food and of the way to obtain it. He cannot dig a ditch-or build a cyclotron-without a knowledge of his aim and of the means to achieve it. To remain alive, he must think”

“The political function of 'the right of free speech' is to protect dissenters and unpopular minorities from forcible suppression - not to guarantee them the support, advantages, and rewards of a popularity they have not gained.”