According to the second principle, it is prohibited to cause unnecessary suffering to combatants: it is accordingly prohibited to use weapons causing them such harm or uselessly aggravating their suffering. ' ###>Selon le second principe, il ne faut pas causer des maux superflus aux combattants: il est donc interdit d'utiliser des armes leur causant de tels maux ou aggravant inutilement leurs souffrances.».