1 Corinthians 2:4

4 My message and my preaching were not with wise and persuasive words, but with a demonstration of the Spirit’s power,

Read 1 Corinthians 2:4 Using Other Translations

And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power:
and my speech and my message were not in plausible words of wisdom, but in demonstration of the Spirit and of power,
And my message and my preaching were very plain. Rather than using clever and persuasive speeches, I relied only on the power of the Holy Spirit.