6. I … planted, Apollos watered—(Ac 18:1; 19:1). Apollos at his own desire (Ac 18:27) was sent by the brethren to Corinth, and there followed up the work which Paul had begun.
God gave the increase—that is, the growth (1Co 3:10; Ac 18:27). "Believed through grace." Though ministers are nothing, and God all in all, yet God works by instruments, and promises the Holy Spirit in the faithful use of means. This is the dispensation of the Spirit, and ours is the ministry of the Spirit.