Desire

"Freedom is secured not by the fulfilling of men's desires, but by the removal of desire."

"He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has."

"Wealth consists not in having great possessions, but in having few wants."

"It is not the man who has too little, but the man who craves more, that is poor."

"No person has the power to have everything they want, but it is in their power not to want what they don't have."

"You act like mortals in all that you fear, and like immortals in all that you desire."