Acts 7:51
Stiff necked, and uncircumcised in heart and ears, you always fight against the Holy Spirit; as your fathers did, you also do.
Romans 2:5
But according to your hardness and unchanged heart you treasure up wrath for yourself in the day of wrath and of a revelation of the righteous judgment of God,
Hebrews 3:13
but exhort one another daily, while it is called to-day, that no one of you may be hardened by the deception of sin;
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