And for the reason that the Lord spake in parables, and brought blindness upon Israel, that seeing they might not see, since He knew the [spirit of] unbelief in them, for the same reason did He harden Pharaoh’s heart; in order that, while seeing that it was the finger of God which led forth the people, he might not believe, but be precipitated into a sea of unbelief, resting in the notion that the exit of these [Israelites] was accomplished by magical power, and that it was not by the operation of God that the Red Sea afforded a passage to the people, but that this occurred by merely natural causes (sed naturaliter sic se habere).
tried God’s patience until the Gospel. For thenceforward Simon Magus, just turned believer, (since he was still thinking somewhat of his juggling sect; to wit, that among the miracles of his profession he might buy even the gift of the Holy Spirit through imposition of hands) was cursed by the apostles, and ejected from the faith.217