John Cassian, Conferences XI–XVII XIV.19: How often even those who are not worthy can receive the grace of the saving word

But sometimes in the lavish generosity of God in His Providence, “Who willeth all men to be saved and to come to the knowledge of the truth,” it is granted that one who has not shown himself by an irreproachable life to be worthy of the preaching of the gospel attains the grace of spiritual teaching for the good of many. But by what means the gifts of healing are granted by the Lord for the expulsion of devils it follows that we must in a similar discussion explain, which as we are going to rise for supper we will keep for the evening, because that is always more effectually grasped by the heart which is taken in by degrees and without excessive bodily efforts.