A gem cannot be polished without friction, nor a man perfected without trials.

A physician is not angry at the intemperance of a mad patient, nor does he take it ill to be railed at by a man in fever. Just so should a wise man treat all mankind, as a physician does his patient, and look upon them only as sick and extravagant.

A man who suffers before it is necessary, suffers more than is necessary.

Health is the soul that animates all the enjoyments of life, which fade and are tasteless without it.

Wisdom allows nothing to be good that will not be so forever; no man to be happy but he that needs no other happiness than what he has within himself; no man to be great or powerful that is not master of himself.

The approach of liberty makes even an old man brave.