The woman who is known only through a man is known wrong.

[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.

It is now conceded that all idea of British intervention is at an end... I want to hug the army of the Potomac. I want to get the whole army of Vicksburg drunk at my own expense. I want to fight some small man and lick him.

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.

All experience is an arch, to build upon.

I want to be advertised and the easiest way is to do something obnoxious and do it well.

Laplace would have found it child's-play to fix a ratio of progression in mathematical science between Descartes, Leibnitz, Newton and himself