Acts 7:22
And Moses was educated in all the wisdom of the Egyptians, and was mighty in words and in deeds.
1 Corinthians 2:1-4
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring to you the testimony of God.
2 Corinthians 10:10
For his letters indeed, say they, are weighty and strong; but his bodily presence is weak, and his speech contemptible.
2 Corinthians 11:6
For if I am unskilful in speech, yet not in knowledge; but we have been throughly manifest to you in all things.
Treasury of Scripture Knowledge
Summary
And Moses said unto the LORD, O my Lord, I am not eloquent, neither heretofore, nor since thou hast spoken unto thy servant: but I am slow of speech, and of a slow tongue.
Bible References
Eloquent
1 Corinthians 2:1
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring to you the testimony of God.
2 Corinthians 10:10
For his letters indeed, say they, are weighty and strong; but his bodily presence is weak, and his speech contemptible.
2 Corinthians 11:6
For if I am unskilful in speech, yet not in knowledge; but we have been throughly manifest to you in all things.