[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.

History will die if not irritated. The only service I can do to my profession is to serve as a flea.

Only on the edge of the grave can man conclude anything.

[P]hilosophy . . .consists chiefly in suggesting unintelligible answers to insoluble problems.

The social side of Washington was to be taken for granted as three-fourths of existence. Politics and reform became the detail, and waltzing the profession

The scientific mind is atrophied, and suffers under inherited cerebral weakness, when it comes in contact with the eternal woman--Astarte, Isis, Demeter, Aphrodite, and the last and greatest deity of all, the Virgin.

I am fairly tired--bored beyond endurance--by the world we live in, and its ideals, and am ready to say so, not violently, but kindly, as one rubs salt into the back of a flogged sailor as though one loved him.