"Then Moses said to the LORD, "O my Lord, I am not eloquent, neither before nor since You have spoken to Your servant; but I am slow of speech and slow of tongue."
So the LORD said to him, "Who has made man's mouth? Or who makes the mute, the deaf, the seeing, or the blind? Have not I, the LORD?
"Now therefore, go, and I will be with your mouth and teach you what you shall say."

Exodus 4:10-12 (NKJV)

"And I, brethren, when I came to you, did not come with excellence of speech or of wisdom declaring to you the testimony of God. For I determined not to know anything among you except Jesus Christ and Him crucified."

1 Corinthians 2:1-2 (NKJV)

"If anyone speaks, let him speak as the oracles of God. If anyone ministers, let him do it as with the ability which God supplies, that in all things God may be glorified through Jesus Christ, to whom belong the glory and the dominion forever and ever. Amen."

1 Peter 4:11 (NKJV)

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