But thanks be to God that, whereas you were bondservants of sin, you became obedient from the heart to that form of teaching to which you were delivered.
ExplanationCommentary
Verse 17. Thanks be to God, and so forth He thanks God, not because they had been in sin, but because after having been so long under the slavery of sin, they had now been converted from their heart, and with their whole strength gave themselves to that form of doctrine to which they had been conducted by the gospel. He returns God thanks for their obedience to the faith, because this obedience of the human will is the work and gift of God, that so no one may glory in his sight. Ephes. 2. Estius.