Deuteronomy 30:6

Deuteronomy 10:16 NIV
Circumcise your hearts, therefore, and do not be stiff-necked any longer.

Ezekiel 36:26-27 NIV
I will give you a new heart and put a new spirit in you; I will remove from you your heart of stone and give you a heart of flesh. And I will put my Spirit in you and move you to follow my decrees and be careful to keep my laws.

Jeremiah 32:39 NIV
I will give them singleness of heart and action, so that they will always fear me and that all will then go well for them and for their children after them.