[P]olitical and social and scientific values ... should be correlated in some relation of movement that could be expressed in mathematics, nor did one care in the least that all the world said it could not be done, or that one knew not enough mathematics even to figure a formula beyond the schoolboy s=(1/2)gt2. If Kepler and Newton could take liberties with the sun and moon, an obscure person ... could take liberties with Congress, and venture to multiply its attraction into the square of its time. He had only to find a value, even infinitesimal, for its attraction.

One friend in a life-time is much; two are many; three are hardly possible. Friendship needs a certain parallelism of life, a community of thought, a rivalry of aim.

In the history of the United States, there is no continuity at all. You can cut through it anywhere and nothing on this side of the cut has anything to do with anything on the other side.

If one shed tears, they must be shed on one's pillow.

The President may indeed in one respect resemble the commander of an army in peace, but in another and more essential sense he resembles the commander of a ship at sea. He must have a helm to grasp, a course to steer, a port to seek. He must sooner or later be convinced that a perpetual calm is as little to his purpose as a perpetual hurricane, and that without headway the ship can arrive nowhere.

Boys naturally look on all force as an enemy.

Women have, commonly, a very positive moral sense; that which they will, is right; that which they reject, is wrong; and their will, in most cases, ends by settling the moral.