Jeremiah 24:7 'I will give them a heart to know Me, for I am the LORD; and they will be My people, and I will be their God, for they will return to Me with their whole heart.

Jeremiah 32:39 and I will give them one heart and one way, that they may fear Me always, for their own good and for the good of their children after them.

Ezekiel 18:31 "Cast away from you all your transgressions which you have committed and make yourselves a new heart and a new spirit! For why will you die, O house of Israel?

Ezekiel 36:26 "Moreover, I will give you a new heart and put a new spirit within you; and I will remove the heart of stone from your flesh and give you a heart of flesh.

Zechariah 7:12 "They made their hearts like flint so that they could not hear the law and the words which the LORD of hosts had sent by His Spirit through the former prophets; therefore great wrath came from the LORD of hosts.

Romans 2:4 Or do you think lightly of the riches of His kindness and tolerance and patience, not knowing that the kindness of God leads you to repentance?

Romans 2:5 But because of your stubbornness and unrepentant heart you are storing up wrath for yourself in the day of wrath and revelation of the righteous judgment of God,

2 Corinthians 3:3 being manifested that you are a letter of Christ, cared for by us, written not with ink but with the Spirit of the living God, not on tablets of stone but on tablets of human hearts. (NASB ©1995)