Acts 2:16

But this is that which was spoken by the prophet Joel. This affair, which is a matter of wonder and amazement with some, and of speculation with others, and of ridicule and contempt with the most, not…

This is that - This is the fulfillment of that, or this was predicted. This was the second part of Peter’s argument, to show that this was in accordance with the predictions in their own Scriptures.…

Spoken by the prophet Joel - The prophecy which he delivered so long ago is just now fulfilled; and this is another proof that Jesus whom ye have crucified is the Messiah.

We have here the first-fruits of the Spirit in the sermon which Peter preached immediately, directed, not to those of other nations in a strange language (we are not told what answer he gave to those…

by(or through) the prophet Joel Joel calls his prophecy "the word of the Lord that came unto Joel." The passage is from Joe 2:28-32. The order of the clauses differs slightly from the Hebrew order,…