If you have HEARING, these verses are telling us EXACTLY how God preserved his word from the day of Pentecost forward. The wonderful works of God is the bible.
Act 2:4 And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance.
Act 2:5 And there were dwelling at Jerusalem Jews, devout men, out of every nation under heaven.
Act 2:6 Now when this was noised abroad, the multitude came together, and were confounded, because that every man heard them speak in his own language.
Act 2:7 And they were all amazed and marvelled, saying one to another, Behold, are not all these which speak Galilaeans?
Act 2:8 And how hear we every man in our own tongue, wherein we were born?
Act 2:9 Parthians, and Medes, and Elamites, and the dwellers in Mesopotamia, and in Judaea, and Cappadocia, in Pontus, and Asia,
Act 2:10 Phrygia, and Pamphylia, in Egypt, and in the parts of Libya about Cyrene, and strangers of Rome, Jews and proselytes,
Act 2:11 Cretes and Arabians, we do hear them speak in our tongues the wonderful works of God.