Men cannot not live by exchanging articles, but producing them. They live by work not trade.

One who does not know when to die, does not know how to live.

Great nations write their autobiographies in three manuscripts - the book of their deeds, the book of their words and the book of their art.

The virtue of the imagination is its reaching, by intuition and intensity, a more essential truth than is seen at the surface of things.

Anything which elevates the mind is sublime. Greatness of matter, space, power, virtue or beauty, are all sublime.

Architecture ... the adaptation of form to resist force.

Science deals exclusively with things as they are in themselves.