Hebrews 3:8
You must not harden your hearts as they did in provoking me, as on the day in the desert they tested me,
Matthew 13:15
For this people's soul has grown dull, and with their ears they can scarcely hear, and they have shut tight their eyes, so that they will never see with their eyes, and hear with their ears, and understand with their hearts, and turn to me, so that I may cure them!'
Acts 19:9
But as some of them grew harder and harder and refused to believe, actually criticizing The Way before the people, he left them, withdrew his disciples, and continued his discussions in the lecture-hall of Tyrannus.
Romans 2:5-6
But in your stubbornness and impenitence of heart you are storing up wrath for yourself on the day of wrath, when the justice of God's judgments will be uncovered.
1 Corinthians 10:9
Let us stop trying the Lord's patience, as some of them did, and for it were destroyed by the snakes.
Hebrews 3:12-13
See to it, my brothers, that no wicked, unbelieving heart is found in any of you, as shown by your turning away from the ever-living God,