Apolonia Helena Massalska, Memoirs of the Princesse de Ligne… (1887)
“ At the age of fifteen he was already an officer in the French army; his bravery, his chivalrous character, his quick intellect, made him the observed of all. “François First, the great Condé, and the Marshal de Saxe, would have wished to have a son like him,” says the Prince de Ligne. “In the midst of the heaviest cannonade he is giddy as a cockchafer, noisy, the most relentless singer, shouting the finest opera airs, making the maddest quotations in the midst of the firing, and yet judging perfectly all that goes on. ”
