9 About noon the next day, as they were on their journey and approaching the city, Peter went up on the roof to pray. 10 He became hungry and wanted something to eat; and while it was being prepared, he fell into a trance. 11 He saw the heaven opened and something like a large sheet coming down, being lowered to the ground by its four corners. 12 In it were all kinds of four-footed creatures and reptiles and birds of the air. 13 Then he heard a voice saying, "Get up, Peter; kill and eat." 14 But Peter said, "By no means, Lord; for I have never eaten anything that is profane or unclean." 15 The voice said to him again, a second time, "What God has made clean, you must not call profane." 16 This happened three times, and the thing was suddenly taken up to heaven. 17 Now while Peter was greatly puzzled about what to make of the vision that he had seen, suddenly the men sent by Cornelius appeared. They were asking for Simon's house and were standing by the gate.
Matthew Henry's Commentary on Acts 10:9-17
Commentary on Acts 10:9-18
(Read Acts 10:9-18)
The prejudices of Peter against the Gentiles, would have prevented his going to Cornelius, unless the Lord had prepared him for this service. To tell a Jew that God had directed those animals to be reckoned clean which were hitherto deemed unclean, was in effect saying, that the law of Moses was done away. Peter was soon made to know the meaning of it. God knows what services are before us, and how to prepare us; and we know the meaning of what he has taught us, when we find what occasion we have to make use of it.