Exodus:4:10-11
strkjv@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.
strkjv@Exodus:4:11 @ And the LORD said unto him, Who hath made mans mouth? or who maketh the dumb, or deaf, or the seeing, or the blind? have not I the LORD?