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.
All fashionable vices pass for virtues.
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.