Exodus 4:10

Then Moses said to the Lord, “Please, Lord, I am not a man of words (eloquent, fluent), neither before nor since You have spoken to Your servant; for I am slow of speech and tongue.”

Exodus 6:12

But Moses said to the Lord, “Look, [my own people] the Israelites have not listened to me; so how then will Pharaoh listen to me, for I am unskilled and inept in speech?”

Jeremiah 1:6

Then I said, “Ah, Lord God!
Behold, I do not know how to speak,
For I am [only] a young man.”

Exodus 4:1

Then Moses answered [the Lord] and said, “What if they will not believe me or take seriously what I say? For they may say, ‘The Lord has not appeared to you.’”

Acts 7:22

So Moses was educated in all the wisdom and culture of the Egyptians, and he was a man of power in words and deeds.

Job 12:2

“No doubt you are the [only wise] people [in the world],
And wisdom will die with you!

And when I came to you, brothers and sisters, proclaiming to you the testimony of God [concerning salvation through Christ], I did not come with superiority of speech or of wisdom [no lofty words of eloquence or of philosophy as a Greek orator might do];

2 Corinthians 10:10

for they say, “His letters are weighty and forceful and impressive, but his personal presence is unimpressive and his speech contemptible [of no account].”

2 Corinthians 11:6

But even if I am unskilled in speaking, yet I am not [untrained] in knowledge [I know what I am talking about]; but we have made this evident to you in every way, in all things.

Treasury of Scripture Knowledge

Summary

Exodus 4:10

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.

Eloquent

2 Corinthians 11:6

General references

Exodus 3:11

Judges 4:8

Judges 7:10

Bible References

Eloquent

Then Moses answered [the Lord] and said, “What if they will not believe me or take seriously what I say? For they may say, ‘The Lord has not appeared to you.’”

“No doubt you are the [only wise] people [in the world],
And wisdom will die with you!

for they say, “His letters are weighty and forceful and impressive, but his personal presence is unimpressive and his speech contemptible [of no account].”

But even if I am unskilled in speaking, yet I am not [untrained] in knowledge [I know what I am talking about]; but we have made this evident to you in every way, in all things.

General references

But Moses said to God, “Who am I, that I should go to Pharaoh, and that I should bring the children of Israel out of Egypt?”

Then Barak said to her, “If you will go with me, then I will go; but if you will not go with me, I will not go.”

But if you are afraid to go down [by yourself], go with Purah your servant down to the camp,