Acts 7:22
And Moses was educated in all the wisdom of the Egyptians; and was mighty in his words and works.
1 Corinthians 2:1-4
And I, brethren, having come unto you, came not in the excellency of speech or of wisdom, proclaiming unto you the testimony of God.
2 Corinthians 10:10
Because they say, His letters are indeed weighty and powerful; but the presence of his body is weak, and his speech contemptible.
2 Corinthians 11:6
If indeed rude in speech, but not in knowledge; but in every thing making manifest unto 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, having come unto you, came not in the excellency of speech or of wisdom, proclaiming unto you the testimony of God.
2 Corinthians 10:10
Because they say, His letters are indeed weighty and powerful; but the presence of his body is weak, and his speech contemptible.
2 Corinthians 11:6
If indeed rude in speech, but not in knowledge; but in every thing making manifest unto you in all things.