9 Here we are-Parthians, Medes, Elamites, people from Mesopotamia, Judea, Cappadocia, Pontus, the province of Asia, 10 Phrygia, Pamphylia, Egypt, and the areas of Libya around Cyrene, visitors from Rome 11 (both Jews and converts to Judaism), Cretans, and Arabs. And we all hear these people speaking in our own languages about the wonderful things God has done!" 12 They stood there amazed and perplexed. "What can this mean?" they asked each other.
Matthew Henry's Commentary on Acts 2:9-12
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.