Acts 3:20

“And he shall send Jesus Christ, etc.] Or “that he may send Jesus Christ”, as the Syriac and Arabic versions render it: not in person, for this regards neither his first, nor his second coming, both which might be terrible to the awakened Jews; the former, because he had been sent, and was come, and was gone again; and therefore might fear there was no hope for them, who had denied him, and crucified him; the latter, because they might conclude he would be sent, and come to take vengeance on them, when they should look upon him whom they had pierced with horror and trembling; but here it regards his being sent, and his coming in the ministration of the word, and by his Spirit, to the comfort…”

“he shall send Jesus Christ--The true reading is, "He shall send your predestinated (or foreordained) Messiah, Jesus."”

“And he shall send ... - Acts 1:1 l. Under this economy of things, he shall send Jesus Christ, that is, the Messiah, to teach people; to redeem them; to save them; to judge the world; to gather his people to himself; and to condemn the wicked. Under this economy they were then. This, therefore, was an argument why they should repent and turn to God, that they might escape in the day of judgment. Which before was preached ... - Who has been proclaimed as the Messiah. The name “Jesus Christ” is equivalent here to “the Messiah.” The Messiah had been proclaimed to the Jews as about to come. In his time was to be the period of refreshing. He had come; and they were under the economy in which the…”

“And he may send - The apostles generally speak of our Lord's second coming, as being just at hand. Who was before appointed - Before the foundation of the world. Acts 3:21”

“Act 17:31; Mat 16:27, Mat 24:3, Mat 24:30-36; Mar 13:26, Mar 13:30-37; Luk 19:11, Luk 21:27; Th2 2:2, Th2 2:8; Heb 9:28; Rev 1:7, Rev 19:11-16 Acts 3:21”