Exodus 6:12 - And Moses spake before the LORD, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?   (Verses like Exodus 6:12)

Jeremiah 1:6 - Then said I, Ah, Lord GOD! behold, I cannot speak: for I am a child.   (Verses like Jeremiah 1:6)

Exodus 4:1 - And Moses answered and said, But, behold, they will not believe me, nor hearken unto my voice: for they will say, The LORD hath not appeared unto thee.   (Verses like Exodus 4:1)

Acts 7:22 - And Moses was learned in all the wisdom of the Egyptians, and was mighty in words and in deeds.   (Verses like Acts 7:22)

Job 12:2 - No doubt but ye are the people, and wisdom shall die with you.   (Verses like Job 12:2)

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.For I determined not to know any thing among you, save Jesus Christ, and him crucified.And I was with you in weakness, and in fear, and in much trembling.And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power:   (Verses like 1 Corinthians 2:1)

2 Corinthians 10:10 - For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.   (Verses like 2 Corinthians 10:10)

2 Corinthians 11:6 - But though I be rude in speech, yet not in knowledge; but we have been throughly made manifest among you in all things.   (Verses like 2 Corinthians 11:6)