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You have to have a certain arrogance to be an architect.

The state of nature has a law of nature to govern it, which obliges every one: and reason, which is that law, teaches all mankind, who will but consult it, that... no one ought to harm another in his life, health, liberty, or possessions.

You have to believe in yourself when no one else does—that's what makes you a winner.

The only good is knowledge, and the only evil is ignorance.

The great challenge of our time is to build institutions that can manage the complexity of modern societies.

偉大不在于成為最好，而在于激發他人最好的一面。