"We say nothing essential about the cathedral when we speak of its stones. We say nothing essential about Man when we seek to define him by the qualities of men."

"A civilization is built on what is required of men, not on that which is provided for them."

"The machine does not isolate man from the great problems of nature but plunges him more deeply into them."

"I have no right, by anything I do or say, to demean a human being in his own eyes. What matters is not what I think of him; it is what he thinks of himself. To undermine a man's self-respect is a sin."

"He who inspires courage in a single soul has led a monumental campaign. A lesson woven into the fabric of human history — an essential principle for the reflective life."

"No enterprise, small or large, public or private, can remain self-governing, let alone successful, so deeply in hock to others as we are about to be."

"The art of living is discovering that a single spark of imagination can ignite the world."

"The simplest truths often reveal that a single spark of imagination can ignite the world."