3 John 1:3

“For I rejoiced greatly when the brethren came, etc] From the place where Gaius lived, to that where John now resided; these brethren seem to be preachers of the word, who travelled from place to place to spread the Gospel: and testified of the truth that is in thee; either of Christ, who was formed in him; or of the Gospel, which had a place in his heart; or of the truth of grace that was in him, as well as of that faithfulness, integrity, and sincerity he appeared to be possessed of, being an Israelite indeed, and without guile: even as thou walkest in the truth: in Christ, and in the Gospel, and as became it, and with all uprightness; (see <630104>2 John 1:4); and this occasioned great joy…”

“testified of the truth that is in thee--Greek, "of" (or 'to') thy truth": thy share of that truth in which thou walkest [ALFORD]. even as thou--in contrast to Diotrephes (Jo3 1:9).”

“For I rejoiced greatly when the brethren came - Who these were is not certainly known. They may have been members of the same church with Gaius, who, for some reason, had visited the writer of this Epistle; or they may have been the “brethren” who had gone from him with a letter of commendation to the church, 3 John 1:9, and had been rejected by the church through the influence of Diotrephes, and who, after having been hospitably entertained by Gaius, had again returned to the writer of this Epistle. In that case, they would of course bear honorable testimony to the kindness which they had received from Gaius, and to his Christian character. And testified of the truth that is in thee - That…”

“For - I know thou usest all thy talents to his glory. The truth that is in thee - The true faith and love. 3 John 1:4”

“1:3 The traveling teachers (literally brothers) were probably John’s emissaries who traveled from church to church, teaching the Good News and encouraging Christians (see 1:5, 10). • you are living according to the truth: Gaius was faithful to the apostolic gospel of Jesus Christ. The false teachers denied the reality of the incarnation or the sacrificial death of Jesus Christ (cp. 1 Jn 4:1-3).”

“I: Jo3 1:4; Jo2 1:4; Phi 1:4; Th1 2:19, Th1 2:20 when: Rom 1:8, Rom 1:9; Co2 7:6, Co2 7:7; Eph 1:15, Eph 1:16; Col 1:7, Col 1:8; Th1 3:6-9 the truth: Jo2 1:2, Jo2 1:4; Psa 119:11 3 John 1:4”