Bede the Venerable — as excerpted in the Catena Aurea on Mark 9:14-29

“Let Juliang blush, who dares to say that all men are born in the flesh, without the infection of sin, as though they were innocent in all respects, just as Adam was when he was created. For what was there in the boy, that he should be troubled from infancy with a cruel devil, if he were not held at all by the chain of original sin? since it is evident that he could not yet have had any sin of his own.”