Bible Verses About Ministers: Not with enticing words of man's wisdom

For Christ sent me not to baptize, but to preach the gospel: not in wisdom of speech, lest the cross of Christ should be made void.

And I, brethren, when I came to you, came not in loftiness of speech or of wisdom, declaring unto you the testimony of Christ.

And my speech and my preaching was not in the persuasive words of human wisdom. but in shewing of the Spirit and power: