Acts 7:22
Moses was educated in all the wisdom of the Egyptians, and he was mighty in his words and deeds.
1 Corinthians 2:1-4
When I came to you, brethren, I did not come with superiority of speech or of wisdom, proclaiming to you the testimony of God.
2 Corinthians 10:10
For they say, "His letters are weighty and strong, but his personal presence is weak, and his speech of no account."
2 Corinthians 11:6
But even if I am unskilled in speech, I am not in knowledge; in every way we have made this plain 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
When I came to you, brethren, I did not come with superiority of speech or of wisdom, proclaiming to you the testimony of God.
2 Corinthians 10:10
For they say, "His letters are weighty and strong, but his personal presence is weak, and his speech of no account."
2 Corinthians 11:6
But even if I am unskilled in speech, I am not in knowledge; in every way we have made this plain to you in all things.