For they heard them speaking in tongues and exalting God. Then Peter said,
46. For they heard them. He expresseth what gifts of the Spirit were poured out upon them, and therewithal he noteth the use; to wit, that they had variety of tongues given them, so that they did glorify God with many tongues.
We have here the issue and effect of Peter's sermon to Cornelius and his friends. He did not labour in vain among them, but they were all brought home to Christ. Here we have, I. God's owning Peter's word, by conferring the Holy Ghost upon the hearers of it, and immediately upon the hearing of it (Act 10:44): While Peter was yet speaking these words...
Commenting on Acts 10:44-48
For they heard them speak with tongues,.... With divers tongues, which they had never learned, and before did not understand: and magnify God; they spoke of the wonderful works of God in these languages, as the apostles did at Pentecost, Act 2:11 they spoke greatly in the praise of God, and gave thanks for his rich grace and mercy bestowed on them: then answered Peter; as follows.