10 in Phrygia and Pamphylia, in Egypt and the parts of Libya about Cyrene, and sojourners from Rome, both Jews and proselytes, 11 Cretans and Arabians, we hear them speaking in our tongues the mighty works of God. 12 And they were all amazed, and were perplexed, saying one to another, What meaneth this?
Matthew Henry's Commentary on Acts 2:10-12
Commentary on Acts 2:5-13
(Read Acts 2:5-13)
The difference in languages which arose at Babel, has much hindered the spread of knowledge and religion. The instruments whom the Lord first employed in spreading the Christian religion, could have made no progress without this gift, which proved that their authority was from God.