From the faults of another a wise man will correct his own.
There is only one vice of which no-one boasts - ingratitude.
Ingratitude is the mother of all vice.
Prosperity doth best discover vice, but adversity doth best discover virtue.
Our actions are neither so good nor so evil as our impulses.
O philosophy, life’s guide! O searcher-out of virtue and expeller of vices! What could we and every age of men have been without thee? Thou hast produced cities; thou hast called men scattered about into the social enjoyment of life.
Work saves us from three great evils: boredom, vice and need.
Yet it is better to accept public morals and human vices calmly without bursting into either laughter or tears.