In his authoritative account of the battle, the English historian Christopher Hibbert states: "It was all very well to talk of the courage and endurance of the troops but of what use were these virtues alone when pitted against the genius of Napoleon? 35,000 men had crossed the Spanish frontier against him; 8000 had not returned.
No seu reconto autoritario da batalla, o historiador inglés Christopher Hibbert afirmou: "Foi todo moi ben para falar do coraxe e resistencia das tropas pero para que serviron estas virtudes soamente ó enfrontarse co xenio de Napoleón? 35 000 homes cruzaron a fronteira española contra el; 8 000 non volveron.