Ezekiel 2:4
And to sons that have hard faces and strong hearts do I send thee; and thou shalt say unto them, Thus hath the Lord GOD said.
Ezekiel 3:7
But the house of Israel will not desire to hear; for they do not desire to hear me: for all the house of Israel are impudent and hardhearted.
Psalm 95:8
harden not your heart, as in the provocation and as in the day of trials in the wilderness
Isaiah 48:4
Because I know that thou art obstinate, and thy neck is an iron sinew, and thy brow bronze;
Jeremiah 5:3
O LORD, are not thine eyes upon the truth? Thou hast stricken them, but they did not feel it; thou hast consumed them, but they have refused to receive chastisement; they have made their faces harder than a rock; they have refused to return.
Jeremiah 6:15
Were they ashamed when they had committed abomination? no, they were not at all ashamed, neither could they blush; therefore, they shall fall among those that shall fall: at the time that I visit them they shall fall, saith the LORD.
Deuteronomy 10:16
Circumcise, therefore, the foreskin of your heart, and no longer be stiffnecked.
Deuteronomy 31:27
For I know thy rebellion and thy stiff neck; behold, while I am yet alive with you today, ye are rebels against the LORD, and how much more after my death?
1 Kings 22:14
And Micaiah said, As the LORD lives, all that the LORD says unto me, that will I speak.
2 Chronicles 30:8
Therefore, do not be stiffnecked as your fathers were, but yield yourselves unto the LORD and enter into his sanctuary, which he has sanctified for ever and serve the LORD your God, that the fierceness of his wrath may turn away from you.
2 Chronicles 36:13
He rebelled, likewise, against King Nebuchadnezzar, unto whom he had sworn by God; but he stiffened his neck and hardened his heart from turning unto the LORD God of Israel.
Proverbs 21:29
The wicked man hardens his face, but as for the upright, he orders his ways.
Jeremiah 3:3
Therefore the rain has been withheld, and there has been no latter rain; and thou dost have a whore's forehead, thou dost refuse to be ashamed.
Jeremiah 8:12
Were they ashamed when they had committed abomination? No, they were not at all ashamed, neither could they blush: therefore they shall fall among those that should fall: when I visit them, they shall fall, saith the LORD.
Jeremiah 26:2-3
Thus hath the LORD said: Stand in the court of the LORD's house and speak unto all the cities of Judah, which come to worship in the LORD's house, all the words that I commanded thee to speak unto them; diminish not a word:
Matthew 10:16
Behold, I send you forth as sheep in the midst of wolves; be ye therefore prudent as serpents and innocent as doves.
Acts 20:26-27
Therefore I take you to record this day that I am pure from the blood of everyone.