Gratitude is a duty which ought to be paid, but which none have a right to expect.
Jean-Jacques RousseauForce does not constitute right... obedience is due only to legitimate powers.
Jean-Jacques RousseauDo not base your life on the judgments of others; first, because they are as likely to be mistaken as you are, and further, because you cannot know that they are telling you their true thoughts.
Jean-Jacques Rousseau