A man has no worse enemy than himself.

A wise man does nothing by constraint.

Be sure that it is not you that is mortal, but only your body. For that man whom your outward form reveals is not yourself; the spirit is the true self, not that physical figure which and be pointed out by your finger.

Any man can make a mistake; only a fool keeps making the same one.

Man was born for two things--thinking and acting.

Let a man practice the profession which he best knows.

Too much liberty leads both men and nations to slavery.

Nature herself makes the wise man rich.

The gardener plants trees, not one berry of which he will ever see: and shall not a public man plant laws, institutions, government, in short, under the same conditions?