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

Teachers affect eternity. There is no telling where their influence stops.

No man likes to have his intelligence or good faith questioned, especially if he has doubts about it himself.

American politics is a struggle, not of men but of forces. The men become every year more and more creatures of force, massed about central power houses.

The gothic is singular in this; one seems easily at home in the renaissance; one is not too strange in the Byzantine; as for the Roman, it is ourselves; and we could walk blindfolded through every chink and cranny of the Greek mind; all these styles seem modern when we come close to them; but the gothic gets away.

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

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