You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.

“Whatever the mind of man can conceive and believe, it can achieve.”

The torment of precautions often exceeds the dangers to be avoided.

We hold these truths to be self-evident: that all men and women are created equal.

Knowledge is limited. Imagination encircles the world.

Our success has really been based on partnerships from the very beginning.

“He, who will not reason, is a bigot; he, who cannot, is a fool; and he, who dares not, is a slave.”