But Peter, standing up with the eleven, lifted up his voice, and said unto them, Ye men of Judaea, and all ye that dwell at Jerusalem, be this known unto you, and hearken to my words: Peter, standing up with the eleven - They probably spoke by turns, not altogether; but Peter began the discourse.
All ye that dwell at Jerusalem - Οἱ κατοικουντες would be better translated by the word sojourn, because these were not inhabitants of Judea, but the strangers mentioned in Acts 2:9-11, who had come up to the feast.