Exodus 4:10
And Moses will say to Jehovah, With leave my Lord, not a man of words, also from yesterday, also from the third day, also from the time of thy speaking to thy servant; for I being heavy of mouth, and heavy of tongue.
Exodus 6:12
And Moses will speak before Jehovah, saying, Behold, the sons of Israel heard not to me; and how shall Pharaoh hear me, and I of uncircumcised lips?
Jeremiah 1:6
And saying, Ah, Lord Jehovah, behold I knew not to speak: for I a boy.
Exodus 4:1
And Moses will answer and say, And behold, they will not believe in me, and they will not bear to my voice: for they will say, Jehovah was not seen to thee.
Acts 7:22
And Moses was instructed in all the wisdom of the Egyptians, and was powerful in words and in works.
Job 12:2
Verily that ye are the people, and shall wisdom die with you?
1 Corinthians 2:1-4
And I having come to you, brethren, came not with eminence of word or of wisdom, announcing to you the testimony of God.
2 Corinthians 10:10
(For truly the epistles, he says, weighty and strong; but the presence of the body weak, and the word counted as nothing.)
2 Corinthians 11:6
And, if also ignorant in the word, but not in knowledge; but in every thing, we having been made manifest in all for you.