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?
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 6:30
And Moses will say before Jehovah, Behold, I of uncircumcised lips; and how shall Pharaoh hear to me?
Jeremiah 1:6
And saying, Ah, Lord Jehovah, behold I knew not to speak: for I a boy.
Exodus 6:9
And Moses spake thus to the sons of Israel: and they heard not to Moses for shortness of spirit, and from hard work.
Jeremiah 6:10
To whom shall I speak and testify, and they will hear? behold, their ear being uncircumcised, and they shall not be able to hearken: behold, the word of Jehovah was to them for a reproach; they will not delight in it
Exodus 3:13
And Moses will say to God, Behold me going to the sons of Israel, and I spake to them, The God of your fathers sent me to you; and they said to me, What his name? what shall I say to them?
Exodus 4:29-31
And Moses will go, and Aaron, and they will gather together all the old men of the sons of Israel.
Exodus 5:19-21
And the scribes of the sons of Israel will see themselves in evil, for saying, Ye shall not take away from the bricks the word of a day in its day.
Leviticus 26:41
I also will go hostile with them, and I brought them into the land of their enemies; if then their uncircumcised heart shall be humbled, and then they shall be satisfied with their iniquity;
Deuteronomy 30:6
And Jehovah thy God circumcised thy heart and the heart of thy seed, to love Jehovah thy God with all thy heart and with all thy soul, for the sake of thy life.
Isaiah 6:5
And saying, Wo to me! for I was cut off; because I a man of unclean lips, and in the midst of a people of unclean lips I dwell: for mine eyes saw the king, Jehovah of armies.
Jeremiah 9:26
Over Egypt and over Judah and over Edom, and over the sons of Ammon, and over Moab, and over all cut off of the extremity dwelling in the desert: for all the nations being uncircumcised, and all the house of Israel uncircumcised of heart
Acts 7:51
Ye stiffnecked and uncircumcised in heart and ears, ye always resist the Holy Spirit: as your fathers, also you.