John Wesley on Acts 10:14

But Peter said, In nowise, Lord - When God commands a strange or seemingly improper thing, the first objection frequently finds pardon. But it ought not to be repeated. This doubt and delay of St. Peter had several good effects. Hereby the will of God in this important point was made more evident and incontestable. And Peter also, having been so slow of belief himself, could the more easily bear the doubting of his brethren, Acts 11:2, &c.