1 Korintus 2:4-5

2:4 My conversation and my preaching were not with persuasive words of wisdom, but with a demonstration of the Spirit and of power, 2:5 so that your faith would not be based on human wisdom but on the power of God.

1 Korintus 3:6

3:6 I planted, ¹  Apollos watered, but God caused it to grow.

[3:6]  ¹ sn The expression I planted is generally taken to mean that Paul founded the church at Corinth. Later Apollos had a significant ministry there (watered). See also v. 10.