Until the day in which he was taken up, after he through the Holy Spirit had given commandments unto the apostles whom he had chosen:
All Commentaries on Acts 1:2 Go To Acts 1
John Chrysostom
AD 407
until the day when he was taken up: He does not say, 'ascended;' he still speaks as concerning a man. It appears then that He also taught the Disciples after His resurrection.
instructing the Apostles, whom he had chosen through the Holy Spirit : They were spiritual words that He spoke unto them, nothing human; either this is the meaning, or, that it was by the Spirit that He gave them commandments.