When I came to you, brothers, announcing the testimony of God to you, I did not come with brilliance of speech or wisdom.
References for 1 Corinthians 2:1
For I determined to know nothing among you except Jesus Christ and Him crucified.
And I was with you in weakness, in fear, and in much trembling.
My speech and my proclamation were not with persuasive words of wisdom, but with a demonstration of the Spirit and power,
References for 1 Corinthians 2:4
so that your faith might not be based on men's wisdom but on God's power.