Puyol: They Shall Not Pass! 1937. Burly Republican soldier and farmer march in lockstep. The Communist leader Lal Passionaria (Delores Ibarruri) adopted the French slogan On Ne Passe Pas, originally coined by General Robert Nivelle during the battle of Verdun. The quote appeared on banners across city streets during the siege of Madrid. 28×40 NML $2500.