▁this ▁arch , ▁decor ated ▁with ▁triumph s . ▁ ▁The ▁words ▁instinct u ▁div init atis ▁(" in sp ired ▁by ▁the ▁divine ") ▁have ▁been ▁greatly ▁commented ▁on . ▁They ▁are ▁usually ▁read ▁as ▁sign ▁of ▁Const antine ' s ▁sh ifting ▁religious ▁affili ation : ▁The ▁Christian ▁tradition , ▁most ▁not ably ▁L act ant ius ▁and ▁E use b ius ▁of ▁Ca es area , ▁relate ▁the ▁story ▁of ▁a ▁vision ▁of ▁God ▁to ▁Const antine ▁during ▁the ▁campaign , ▁and ▁that ▁he ▁was ▁vict orious ▁in ▁the ▁sign ▁of ▁the ▁cross ▁at ▁the ▁Mil v ian ▁Bridge . ▁The ▁official ▁documents ▁( esp . ▁co ins ) ▁still ▁prom in ently ▁display ▁the ▁Sun ▁god ▁until ▁ 3 2 4 , ▁while ▁Const antine ▁started ▁to ▁support ▁the ▁Christian ▁church ▁from ▁ 3 1 2 ▁on . ▁In ▁this ▁situation , ▁ ▁the ▁vague ▁word ing ▁of ▁the ▁ins cription ▁can ▁be ▁seen ▁as ▁the ▁attempt ▁to ▁please ▁all ▁possible ▁readers , ▁being ▁deliber ately ▁ambigu ous , ▁and ▁acceptable ▁to ▁both ▁pag ans ▁and ▁Christians . ▁As ▁was ▁custom ary , ▁the ▁van qu ished ▁enemy ▁is ▁not ▁mentioned ▁by ▁name , ▁but ▁only ▁referred ▁to ▁as ▁" the ▁t yr ant ", ▁drawing ▁on ▁the ▁notion ▁of ▁the ▁right ful ▁killing ▁of ▁a ▁ty ran n ical ▁r uler ; ▁together ▁with ▁the ▁image ▁of ▁the ▁" just ▁war ", ▁it ▁serves ▁as ▁just ification ▁of ▁Const antine ' s ▁civil ▁war ▁against ▁Max ent ius