Qu'ils mangent de la brioche. Let them eat cake. On being told that her people had no bread. Attributed to Marie-Antoinette, but remark is much older. Rousseau refers in his Confessions, 1740, to a similar remark, as a well-known saying. Others attribute the remark to the wife of Louis XIV.
Remark at the revolutionary tribunal, 14 October 1793. I was a queen, and you took away my crown; a wife, and you killed my husband; a mother, and you deprived me of my children. My blood alone remains: take it, but do not make me suffer long.