|Matthew Henry's Concise Commentary|
19:13-20 It was common, especially among the Jews, for persons to profess or to try to cast out evil spirits. If we resist the devil by faith in Christ, he will flee from us; but if we think to resist him by the using of Christ's name, or his works, as a spell or charm, Satan will prevail against us. Where there is true sorrow for sin, there will be free confession of sin to God in every prayer and to man whom we have offended, when the case requires it. Surely if the word of God prevailed among us, many lewd, infidel, and wicked books would be burned by their possessors. Will not these Ephesian converts rise up in judgement against professors, who traffic in such works for the sake of gain, or allow themselves to possess them? If we desire to be in earnest in the great work of salvation, every pursuit and enjoyment must be given up which hinders the effect of the gospel upon the mind, or loosens its hold upon the heart.
Verse 20. - The Lord for God, A.V. If the R.T. has the true order of the words, they must be construed, To such an extent, according to the might of the Lord, did the word grow and prevail, after the analogy of Ephesians 1:19. Κατὰ κράτος, however, taken by itself, is quite usual, like κατὰ μικρόν καθ ὑπερβολήν, etc. (Alford), and is rightly rendered "mightily."
Gill's Exposition of the Entire Bible
So mightily grew the word of God, and prevailed. Over conjuring books, conjurers themselves, yea, even the devils; the power of God going along with it, many were converted; which is meant by the increase of it, and were delivered from the power of darkness, out of the hands of Satan, and translated into the kingdom of Christ. Beza's ancient copy reads, the "faith" of God; and the Syriac version, "faith in God". Wesley's Notes on the Bible
19:20 So powerfully did the word of God grow - In extent, and prevail - In power and efficacy.
Acts 19:20 Parallel Commentaries
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