ired ▁by ▁his ▁encounter ▁with ▁the ▁Cap uch ins , ▁he ▁felt ▁that ▁God ▁was ▁calling ▁on ▁him ▁to ▁enter ▁their ▁Order . ▁In ▁ 1 6 4 8 , ▁he ▁began ▁his ▁nov iti ate . ▁A ▁year ▁later , ▁he ▁prof essed ▁his ▁v ows ▁and ▁took ▁his ▁father ' s ▁name , ▁Marco , ▁becoming ▁Fra ' ▁Marco ▁d ' Av iano . ▁On ▁ 1 8 ▁September ▁ 1 6 5 5 ▁he ▁was ▁ord ained ▁a ▁priest ▁in ▁Chi og gia . ▁His ▁min istry ▁entered ▁a ▁new ▁phase ▁in ▁ 1 6 6 4 , ▁when ▁he ▁received ▁a ▁lic ence ▁to ▁pre ach ▁throughout ▁the ▁Republic ▁of ▁Ven ice ▁and ▁other ▁Italian ▁states , ▁particularly ▁during ▁Advent ▁and ▁L ent . ▁He ▁was ▁also ▁given ▁more ▁responsibility ▁when ▁he ▁was ▁elected ▁Super ior ▁of ▁the ▁convent s ▁of ▁Bell uno ▁in ▁ 1 6 7 2 , ▁and ▁O der zo ▁in ▁ 1 6 7 4 . ▁ ▁His ▁life ▁took ▁an ▁unexpected ▁turn ▁in ▁ 1 6 7 6 , ▁when ▁he ▁gave ▁his ▁bless ing ▁to ▁a ▁nun , ▁bed rid den ▁for ▁some ▁ 1 3 ▁years : ▁she ▁was ▁mi rac ul ously ▁he aled . ▁The ▁news ▁spread ▁far ▁and ▁wide , ▁and ▁it ▁was ▁not ▁long ▁before ▁the ▁sick , ▁and ▁many ▁others ▁from ▁all ▁social ▁str ata , ▁began ▁to ▁seek ▁him ▁out . ▁ ▁Among ▁those ▁who ▁sought ▁his ▁help ▁was ▁Leopold ▁I , ▁Holy ▁Roman ▁Emperor