1 Corinthians 2:4

2:4 My conversation and my preaching were not with persuasive words of wisdom, but with a demonstration of the Spirit and of power,

1 Corinthians 12:8

12:8 For one person is given through the Spirit the message of wisdom, and another the message of knowledge according to the same Spirit,

1 Corinthians 16:4

16:4 And if it seems advisable that I should go also, they will go with me.