The promise (h epaggelia). The promise made by Jesus ( Acts 1:4 ) and foretold by Joel (verse Acts 2:18 ). To you (umin). You Jews. To your descendants, sons and daughters of verse Acts 17 . To all that are afar off (pasin toi ei makran. The horizon widens and includes the Gentiles. Those "afar off" from the Jews were the heathen ( Isaiah 49:1 ; Isaiah 57:19 ; Ephesians 2:13Ephesians 2:17 ). The rabbis so used it. Shall call (an proskaleshtai). First aorist middle subjunctive with an in an indefinite relative clause, a perfectly regular construction. The Lord God calls men of every nation anywhere whether Jews or Gentiles. It may be doubted how clearly Peter grasped the significance of these words for he will have trouble over this very matter on the housetop in Joppa and in Caesarea, but he will see before long the full sweep of the great truth that he here proclaims under the impulse of the Holy Spirit. It was a great moment that Peter here reaches.