Acts 1:22

“Beginning from the baptism of John, etc.] Not from the time trial John first administered the ordinance of baptism; for Christ was not so soon made known, or had followers; but from the time of the administration of it by John, to Christ, when he was made known to Israel; and quickly upon this, he called his disciples, and entered on his public ministry: now Peter moves, that one who had been so early a follower of Christ, who had heard his excellent discourses, and seen his miracles, and who had steadfastly and constantly adhered to him, might be chosen in the room of Judas; one whose faith in Christ, love to him, and firmness of mind to abide by him, had been sufficiently tried and proved;…”

“Beginning from the baptism of John--by whom our Lord was not only Himself baptized, but first officially announced and introduced to his own disciples. unto that same day when he was taken up from us, must one be ordained to be a witness with us of his resurrection--How clearly is the primary office of the apostles here expressed: (1) to testify, from personal observation, to the one great fact of "the resurrection of the Lord Jesus"; (2) to show how this glorified His whole previous life, of which they were constant observers, and established His divine claims.”

“Beginning from the baptism of John - The words “beginning from” in the original refer to the Lord Jesus. The meaning may be thus expressed, “during all the time in which the Lord Jesus, beginning (his ministry) at the time when he was baptized by John, went in and out among us, until the time when he was taken up,” etc. From those who had during that time been the constant companions of the Lord Jesus must one be taken, who would thus be a witness of his whole ministry. Must one be ordained - It is fit or proper that one should be ordained. The reason of this was, that Jesus had originally chosen the number twelve for this work, and as one of them had fallen, it was proper that the vacancy…”

“To be a witness with us of his resurrection - And of the circumstances which preceded and followed it. Acts 1:23”

“Beginning: Act 13:24, Act 13:25; Matt. 3:1-17; Mar 1:1, Mar 1:3-8; Luke 3:1-18; John 1:28-51 unto: Act 1:2, Act 1:9 witness: Act 1:8, Act 4:33; Joh 15:27; Heb 2:3 Acts 1:23”