Now when all the people were baptized,— Now while all the people were receiving baptism. Heylin. If we reflect on the number of the people who followed John, and were baptized by him, and the regard which they expressed for him before and after his death, and yet that no sect was produced in consequence of such a belief and baptism, it will afford a very good argument in favour of the superior power, dignity, character, and office of Jesus. It is observable, that all the three voices from heaven, by which the Father bore witness to Christ, were pronounced while he was praying, or very quickly after it. Compare Ch. Luke 9:29-35 and John 12:38
Related Commentaries of Luke 3:21
Luke 3:21
21 Now when all the people were baptized, it came to pass, that Jesus also being baptized, and praying, the heaven was opened,