Mark 10:5

But Jesus said to them. "Moses gave you that command because of the hardness of your hearts;

Matthew 19:8

"Moses," said Jesus, "permitted you to divorce your wives on account of the hardness of your hearts, but from the beginning it was not so.

Acts 7:51

"Stiff-necked, uncircumcised in heart and ears! You are always resisting the Holy Ghost! As your fathers did, so do you.

Hebrews 3:7-10

Therefore, as the Holy Spirit says. If you hear God's voice today,

Treasury of Scripture Knowledge

Summary

And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.

Bible References

For

Matthew 19:8
"Moses," said Jesus, "permitted you to divorce your wives on account of the hardness of your hearts, but from the beginning it was not so.
Acts 7:51
"Stiff-necked, uncircumcised in heart and ears! You are always resisting the Holy Ghost! As your fathers did, so do you.
Hebrews 3:7
Therefore, as the Holy Spirit says. If you hear God's voice today,