If Paul had been ordered by a supernatural voice to slay Peter, he would have attributed the voice to the devil, "the prince of the power of the air," and would have despised it.

He praises the faith of Abraham, but he certainly would never have imitated his conduct.

Just so, the modern divines who laud Joseph's piety towards Mary, would be very differently affected, if events and persons were transported to the present day.
But to return.

Let it be granted that no sensible miracle could authorize me so to violate my moral perceptions as to slay (that is, to murder) my innocent wife.

May it, nevertheless, authorize me to invade a neighbour country, slaughter the people and possess their cities, although, without such a miracle, the deed would be deeply criminal?
It is impossible to say that here, more than in the former case, miracles[5] can turn aside the common laws of morality.