Hebrews 3:8
harden not your hearts, as at Meriba and Massa in the desart:
Matthew 13:15
for the heart of this people is waxed gross, and their ears are dull of hearing, and their eyes they have closed; lest at any time they should see with their eyes, and hear with their ears, and understand with their heart, and should be converted, and I should heal them."
Acts 19:9
but some of them being such obdurate infidels as to inveigh against the institution before the populace, he retired, and taking the disciples with him, he instructed them daily in the school of one Tyrannus.
Romans 2:5-6
however by your impenitence, and the insensibility of your heart, you treasure up for yourself wrath against the day of wrath, and of the revelation of the righteous judgment of God,
1 Corinthians 10:9
neither let us provoke Christ as some of them provoked him, and were destroyed by serpents.
Hebrews 3:12-13
Take heed, brethren, lest there be in any of you such incredulity as to make you desert the living God.