If a man writes a book, let him set down only what he knows. I have guesses enough of my own.

It is not enough to have knowledge; one must apply it. It is not enough to have wishes; one must also accomplish it.

If in the infinite you want to stride, Just walk in the finite to every side.

One should not wish anyone disagreeable conditions of life; but for him who is involved in them by chance, they are touchstones of characters and of the most decisive value to man.

One spares old people just as one spares children.

Mysteries are not necessarily miracles.

Tomorrow sees undone, what happens not to-day; Still forward press, nor never tire! The possible, with steadfast trust, Resolve should be by the forelock grasp. Then she will ne'er let go her clasp, And labors on, because she must.