Either the human being must suffer and struggle as the price of a more searching vision, or his gaze must be shallow and without intellectual revelation.

It is an impressive truth that sometimes in the very lowest forms of duty, less than which would rank a man as a villain, there is, nevertheless the sublimest ascent of self-sacrifice. To do less would class you as an object of eternal scorn, to do so much presumes the grandeur of heroism.

Mathematics has not a foot to stand upon which is not purely metaphysical.

All that is literature seeks to communicate power

Out of the ruined lodge and forgotten mansion, bowers that are trodden under foot, and pleasure-houses that are dust, the poet calls up a palingenesis.

The pulpit style of Germany has been always rustically negligent, or bristling with pedantry.

Nobody will laugh long who deals much with opium: its pleasures even are of a grave and solemn complexion.