Exodus 6:12
And Moses spake before Jehovah, saying, Behold, the children of Israel have not hearkened unto me; how then shall Pharaoh hear me, who am of uncircumcised lips?
Exodus 4:10
And Moses said unto Jehovah, Oh, Lord, I am not eloquent, neither heretofore, nor since thou hast spoken unto thy servant; for 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 hearken unto me?
Jeremiah 1:6
Then said I, Ah, Lord Jehovah! behold, I know not how to speak; for I am a child.
Exodus 6:9
And Moses spake so unto the children of Israel: but they hearkened not unto Moses for anguish of spirit, and for cruel bondage.
Jeremiah 6:10
To whom shall I speak and testify, that they may hear? behold, their ear is uncircumcised, and they cannot hearken: behold, the word of Jehovah is become unto them a reproach; they have no delight in it.
Exodus 3:13
And Moses said unto God, Behold, when I come unto the children of Israel, and shall say unto them, The God of your fathers hath sent me unto you; and they shall say to me, What is his name? What shall I say unto them?
Exodus 4:29-31
And Moses and Aaron went and gathered together all the elders of the children of Israel:
Exodus 5:19-21
And the officers of the children of Israel did see that they were in evil case, when it was said, Ye shall not diminish aught from your bricks, your daily tasks.
Leviticus 26:41
I also walked contrary unto them, and brought them into the land of their enemies: if then their uncircumcised heart be humbled, and they then accept of the punishment of their iniquity;
Deuteronomy 30:6
And Jehovah thy God will circumcise thy heart, and the heart of thy seed, to love Jehovah thy God with all thy heart, and with all thy soul, that thou mayest live.
Isaiah 6:5
Then said I, Woe is me! for I am undone; because I am a man of unclean lips, and I dwell in the midst of a people of unclean lips: for mine eyes have seen the King, Jehovah of hosts.
Jeremiah 9:26
Egypt, and Judah, and Edom, and the children of Ammon, and Moab, and all that have the corners of their hair cut off, that dwell in the wilderness; for all the nations are uncircumcised, and all the house of Israel are uncircumcised in heart.
Acts 7:51
Ye stiffnecked and uncircumcised in heart and ears, ye do always resist the Holy Spirit: as your fathers did, so do ye.