We communicate like the burrows of foxes, in silence and darkness, under ground. We are undermined by faith and love.

It is not in vain that man speaks to man. This is the value of literature.

A man may esteem himself happy when that which is his food is also his medicine.

If the day and night are such that you greet them with joy, and life emits a fragrance like flowers and sweet-scented herbs, is more elastic, more starry, more immortal - that is your success.

If we see nature as pausing, immediately all mortifies and decays; but seen as progressing, she is beautiful.

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

Are you in want of amusement nowadays? Then play a little at the game of getting a living. There was never anything equal to it. Do it temperately, though, and don't sweat.