2 Corinthians 10:10
For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.
1 Corinthians 1:17
For Christ sent me not to baptize, but to preach the gospel: not with wisdom of words, lest the cross of Christ should be made of no effect.
2 Corinthians 11:6
But though I be unskilled in speech, yet not in knowledge; but we have been thoroughly made manifest among you in all things.
Galatians 4:13-14
You know how through weakness of the flesh I preached the gospel unto you at the first.
Exodus 4:10
And Moses said unto the LORD, O my Lord, I am not eloquent, neither before, nor since you have spoken unto your servant: but I am slow of speech, and of a slow tongue.
Jeremiah 1:6
Then said I, Ah, Lord GOD! behold, I cannot speak: for I am a child.
1 Corinthians 1:21
For since in the wisdom of God the world by wisdom knew not God, it pleased God by the foolishness of preaching to save them that believe.
1 Corinthians 2:1-4
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.
2 Corinthians 10:1
Now I Paul myself beseech you by the meekness and gentleness of Christ, who in presence am humble among you, but being absent am bold toward you:
2 Corinthians 12:5-9
Of such a one will I boast: yet of myself I will not boast, but in my weaknesses.