After more than six years as a prisoner, Patrick escaped. According to his writing, a voice—which he believed to be God’s—spoke to him in a dream, telling him it was time to leave Ireland.
To do so, Patrick walked nearly 200 miles from County Mayo, where it is believed he was held, to the Irish coast. After escaping to Britain, Patrick reported that he experienced a second revelation—an angel in a dream tells him to return to Ireland as a missionary. Soon after, Patrick began religious training, a course of study that lasted more than 15 years. After his ordination as a priest, he was sent to Ireland with a dual mission: to minister to Christians already living in Ireland and to begin to convert the Irish. (Interestingly, this mission contradicts the widely held notion that Patrick introduced Christianity to Ireland.)