
“My centre is giving way, my right is retreating, situation excellent, I am attacking.”
Mon centre cède, ma droite recule, situation excellente, j'attaque.
Message to Marshal Joseph Joffre during the First Battle of the Marne (8 September 1914), as quoted in Foch : Le Vainqueur de la Guerre (1919) by Raymond Recouly, Ch. 6