1 Corinthians 1:6

“According as the testimony of (of, and concerning) Christ (who is both the object and author of this testimony [BENGEL]; Co1 2:1; Ti1 2:6; Ti2 1:8) was confirmed among [ALFORD] you; that is, by God, through my preaching and through the miracles accompanying it (Co1 12:3; Mar 16:20; Co2 1:21-22; Gal 3:2, Gal 3:5; Eph 4:7-8; Heb 2:4). God confirmed (compare Phi 1:7; Heb 2:3), or gave effect to the Gospel among (or better as English Version, "in") the Corinthians by their accepting it and setting their seal to its truth, through the inward power of His Spirit, and the outward gifts and miracles accompanying it [CALVIN].”

“Even as - Καθώς Kathōs. The force of this expression seems to be this, “The gospel of Christ was at first established among you by means of the miraculous endowments of the Holy Spirit. Those same endowments are still continued among you, and now furnish evidence of the divine favor, and of the truth of the gospel to you, ‘even as’ - that is, in the same measure as they did when the gospel was first preached.” The power to speak with tongues, etc. 1 Corinthians 14:0 would be a “continued miracle,” and would be a demonstration to them then of the truth of Christianity as it was at first. The testimony of Christ - The gospel. It is here called “the testimony of Christ,” because it bore…”

“The testimony of Christ - The gospel. Was confirmed among you - By these gifts attending it. They knew they had received these by the hand of Paul: and this consideration was highly proper, to revive in them their former reverence and affection for their spiritual father. 1 Corinthians 1:7”

“the: Co1 2:1, Co1 2:2; Act 18:5, Act 20:21, Act 20:24, Act 22:18, Act 23:11, Act 28:23; Ti1 2:6; Ti2 1:8; Jo1 5:11-13; Rev 1:2, Rev 1:9, Rev 6:9, Rev 12:11, Rev 12:17, Rev 19:10 was: Mar 16:20; Act 11:17, Act 11:21; Rom 15:19; Co2 12:12; Gal 3:5; Heb 2:3, Heb 2:4 1 Corinthians 1:7”