Acts 2:14

First Division of the Discourse, 14-21.

What they heard was no effect of drunkenness, but the long prophesied outpouring of the Spirit.

Acts 2:14. But Peter, standing up with the eleven, lifted up his voice. St. Augustine well calls attention to the marked change in St. Peter now that the Holy Ghost had been poured into his heart in so copious a stream of grace. ‘More eagerly than the rest, he rushes forth to bear witness of Christ, and to confound his adversaries with the doctrine of the resurrection.... The same Peter, for whom we had wept when denying Christ, is seen and admired preaching Him.... That tongue, which at the sound of one was driven to denial, now inspires many thousand enemies to confess Christ. This was the work of the Holy Spirit' (St. Augustine in Psalms 92).

With the eleven. ‘It is probable that the eleven spoke also to several companies of persons in various languages, and that St. Peter's speech was recorded as a specimen of what was spoken by the apostles(Wordsworth).