A sneer is often the sign of heartless malignity.

Have I done aught of value to my fellow-men? Then have I done much for myself.

True love, like the eye, can bear no flaw.

Be not the fourth friend of him who had three before and lost them.

Be neither too early in the fashion, nor too long out of it; nor at any time in the extremes of it.

The more any one speaks of himself, the less he likes to hear another talked of.

Who in the same given time can produce more than others has vigor; who can produce more and better, has talents; who can produce what none else can, has genius.