2 Corinthians 10:10
For his letters, they say, 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 void.
2 Corinthians 11:6
But though I am rude in speech, yet not in knowledge, but we have been thoroughly made manifest among you in all things.
Galatians 4:13-14
Ye know how through weakness of the flesh I preached the gospel unto you at the first.
Exodus 4:10
Then Moses said unto the LORD, O my Lord, I am not eloquent, neither up until now, nor since thou hast spoken unto thy slave; but I am slow of speech and of a slow tongue.
Jeremiah 1:6
Then I said, Ah, Lord GOD! behold, I do not know how to speak: for I am a child.
1 Corinthians 1:21
For in the wisdom of God, since the world by wisdom knew not God, it pleased God by the foolishness of preaching to save those that believe.
1 Corinthians 2:1-4
And I, brothers, when I came to you, came not with puffed up speech or wisdom to declare unto you the testimony of God.
2 Corinthians 10:1
Now I, Paul, myself beseech you by the meekness and clemency of the Christ (who in presence am low among you, but being absent am bold toward you)
2 Corinthians 12:5-9
Of such a one I will glory, yet of myself I will not glory, except in my weaknesses.