Some are reputed sick and some are not. It often happens that the sicker man is the nurse to the sounder.

Men talk glibly enough about moonshine, as if they knew its qualities very well, and despised them; as owls might talk of sunshine,--none of your sunshine!--but this word commonly means merely something which they do not understand,--which they are abed and asleep to, however much it may be worth their while to be up and awake to it.

I come to my solitary woodland walk as the homesick go home. I thus dispose of the superfluous and see things as they are, grand and beautiful.

Mathematics should be mixed not only with physics but with ethics.

What a singular fact for an angel visitant to this earth to carry back in his note-book, that men were forbidden to expose their bodies under the severest penalties!

The schools begin with what they call the elements, and where do they end?

Faint heart never won true friend. O my friend, may it come to pass, once, that when you are my friend I may be yours.