10. full of all subtlety—referring to his magic arts.
and all malice—The word signifies "readiness for anything," knavish dexterity.
thou child of the devil … enemy of all righteousness—These were not words of passion, for immediately before uttering them, it is said he was "filled with the Holy Ghost" [Chrysostom].
wilt thou not cease to pervert the right ways of the Lord—referring to his having to that hour made a trade of leading his fellow creatures astray.