Exodus 4:10
Then Moses told the LORD, "Please, LORD, I'm not eloquent. I never was in the past nor am I now since you spoke to your servant. In fact, I talk too slowly and I have a speech impediment."
Exodus 6:12
Then Moses said right in front of the LORD, "Look, the Israelis didn't listen to me, so how will Pharaoh? I'm not a persuasive speaker."
Jeremiah 1:6
I replied, "Ah, LORD God! Look, I don't know how to speak, because I'm only a young man."
Exodus 4:1
Then Moses answered, "Look, they won't believe me and they won't listen to me. Instead, they'll say, "The LORD didn't appear to you.'"
Acts 7:22
So Moses learned all the wisdom of the Egyptians and became a great man, both in words and in deeds.
Job 12:2
"Truly, you are the people and wisdom will die with you!
1 Corinthians 2:1-4
When I came to you, brothers, I didn't come and tell you about God's secret with rhetorical language or wisdom.
2 Corinthians 10:10
For someone is saying, "His letters are impressive and forceful, but his bodily presence is weak and his speech contemptible."
2 Corinthians 11:6
Even though I may be untrained as an orator, I am not so in the field of knowledge. We have made this clear to all of you in every possible way.