French History - Sunday Trivia Challenge

Who said this upon receiving the news of the French revolution? "They will soon weary of this liberty,and then they will become as gentle and obedient as lambs. But a clever and courageous leader is needed, one who is far in advance of his fellow man and his age. A new Genghis Khan will arise. Does this man already exist? Will he soon appear?" Here is a clue. The same person who made this comment also tried to save Louis XVI and Marie Antoinette with passports to get them out of France, but the scheme failed. The same person predicted the inevitable execution of Louis XVI.