"He who has peace of mind has no need of wealth."

"The wise man will not be more grateful for good things when they are present than when they are not."

"We should envy no one, for good men do not deserve envy, and as for the bad, the more they prosper, the more they harm themselves."

"The man who best knows how to meet external threats makes into one family all the creatures he can."

"We should rather laugh than weep at human life."