"Do not trust all men, but trust men of worth; the former course is silly, the latter a mark of prudence."

"Good means not merely not to do wrong, but rather not to desire to do wrong."

"If thou suffer injustice, console thyself; the true unhappiness is in doing it."

"Raising children is an uncertain thing; success is reached only after a life of battle and worry."

"Our sins are more easily remembered than our good deeds."

"Hope of ill gain is the beginning of loss."

"Everything existing in the universe is the fruit of chance and necessity."

"It is greed to do all the talking but not to want to listen at all."

"I would rather discover one true cause than gain the kingdom of Persia."

"By desiring little, a poor man makes himself rich."

"Throw moderation to the winds, and the greatest pleasures bring the greatest pains."

"The wrongdoer is more unfortunate than the man wronged."

"Now as of old the gods give men all good things, excepting only those that are baneful and injurious and useless. These, now as of old, are not gifts of the gods: men stumble into them themselves because of their own blindness and folly."

"It is better to destroy one's own errors than those of others."

"Nothing exists except atoms and empty space; everything else is opinion."

"Men should strive to think much and know little."

"Happiness resides not in possessions, and not in gold, happiness dwells in the soul."