Exodus 6:12
And Moses spake before the LORD saying, "Behold, the children of Israel hearken not unto me; how then shall Pharaoh hear me, seeing that I have uncircumcised lips?"
Exodus 4:10
And Moses said unto the LORD, "O my Lord. I am not eloquent, no not in times past and namely since thou hast spoken unto thy servant: but I am slow mouthed and slow tongued."
Exodus 6:30
And Moses answered before the LORD, "I am of uncircumcised lips, how shall Pharaoh then give me audience?"
Jeremiah 1:6
Then said I, "Oh LORD God, I cannot speak, for I am yet but young."
Exodus 6:9
And Moses told the children of Israel even so: But they hearkened not unto Moses for anguish of spirit and for cruel bondage.
Jeremiah 6:10
But unto whom shall I speak, whom shall I warn, that he may take heed? Their ears are so uncircumcised, that they may not hear. Behold, they take the word of God but for a scorn, and have no lust thereto.
Exodus 3:13
Then said Moses unto God, "When I come unto the children of Israel and say unto them, 'The God of your fathers hath sent me unto you,' and they say unto me, 'What is his name?' - What answer shall I give them?"
Exodus 4:29-31
So went Moses and Aaron and gathered all the elders of the children of Israel.
Exodus 5:19-21
When the officers of the children of Israel saw themself in shrewd case - in that he said, 'ye shall minish nothing of your daily making of brick' -
Leviticus 26:41
Therefore I also will walk contrary unto them, and will bring them into the land of their enemies. And then at the least way their uncircumcised hearts shall be tamed, and then they shall make an atonement for their misdeeds.
Deuteronomy 30:6
And the LORD thy God will circumcise thine heart and the heart of thy seed for to love the LORD thy God with all thine heart and all thy soul, that thou mayest live.
Isaiah 6:5
Then I said, "O woe is me! For I am lost: inasmuch as I am a man of unclean lips, and dwell among people that hath unclean lips also. For mine eyes have seen the King and LORD of Hosts."
Jeremiah 9:26
The Egyptians, the Jews, the Edomites, the Ammonites, the Moabites, and the shaven Midianites that dwell in the wilderness. For all the Gentiles are uncircumcised in the flesh, but all the house of Israel are uncircumcised in the heart."
Acts 7:51
"Ye stiffnecked and of uncircumcised hearts and ears: ye have always resisted the holy ghost: as your fathers did, so do ye.