It is quite certain that in seeing the people who treat us so well despite their own misfortune, we are more obliged than ever to work hard for their happiness.

After learning of the bread shortages that were occurring in Paris at the time of Louis XVI's coronation in Rheims, as quoted in Marie Antoinette: The Journey (2001) by Antonia Fraser, p. 135 ISBN 0307277747 . Tradition persists that Marie Antoinette joked "Let them eat cake!" (Qu'ils mangent de la brioche.) This phrase, however, occurs in a passage of Jean-Jacques Rousseau's Confessions, written in 1766, when Marie Antoinette was 11 years old and four years before her marriage to Louis XVI. Cf. The Straight Dope, "On Language" by William Safire at The New York Times, and in the discussions at Google groups.