Exodus 6:12
And Moses spoke before Jehovah, saying, Behold, the sons of Israel have not listened to me. How then shall Pharaoh hear me, since I have lips that are not circumcised?
Exodus 4:10
And Moses said to Jehovah, O my Lord, I am not a man of words now, nor since You have spoken to Your servant, but I am slow of speech and of a slow tongue.
Exodus 6:30
And Moses said before Jehovah, Behold, I am of uncircumcised lips, and how shall Pharaoh listen to me?
Jeremiah 1:6
Then I said, Alas, Lord Jehovah! Behold, I do not know to speak; for I am a boy.
Exodus 6:9
And Moses said so to the sons of Israel. But they did not listen to Moses through anguish of spirit and through cruel bondage.
Jeremiah 6:10
To whom shall I speak, and give warning, that they may hear? Behold, their ears are not circumcised, and they cannot listen. Behold, the Word of Jehovah is to them a reproach; they have no delight in it.
Exodus 3:13
And Moses said to God, Behold, when I come to the sons of Israel, and shall say to them, The God of your fathers has sent me to you, and they shall say to me, What is His name? What shall I say to them?
Exodus 4:29-31
And Moses and Aaron went and gathered together all the elders of the sons of Israel.
Exodus 5:19-21
And the overseers of the sons of Israel saw themselves in affliction, after it was said, You shall not take away from your bricks of your daily task.
Leviticus 26:41
I also will walk contrary to them and will bring them into the land of their enemies. If then their uncircumcised hearts are humbled, and they then pay for their iniquity,
Deuteronomy 30:6
And Jehovah your God will circumcise your heart and the heart of your seed, to love Jehovah your God with all your heart and with all your soul, so that you may live.
Isaiah 6:5
Then I said, Woe is me! For I am undone; for I am a man of unclean lips, and I dwell in the midst of a people of unclean lips; for my eyes have seen the King, Jehovah of Hosts.
Jeremiah 9:26
Egypt, and Judah, and Edom, and the sons of Ammon, and Moab, and all who are in the outermost corners, who dwell in the wilderness. For all these nations are not circumcised, and all the house of Israel, those not circumcised in heart.
Acts 7:51
O stiff-necked and uncircumcised in heart and ears! You always resist the Holy Spirit. As your fathers did, so you do.