Matthew 19:8
He said unto them, "Moses, because of the hardness of your hearts, suffered you to put away your wives: But from the beginning it was not so.
Genesis 2:24
For this cause shall a man leave father and mother and cleave unto his wife, and they shall be one flesh.
Genesis 7:7
And Noah went, and his sons and his wife and his sons' wives with him, into the ark from the waters of the flood.
Psalm 95:8
Today if ye will hear his voice, harden not your hearts as in the provocation, and as in the day of temptation in the wilderness,
Jeremiah 6:16
Thus sayeth the LORD, "Go into the streets, consider and make inquisition for the old way: and if it be the good and right way, then go therein, that ye may find rest for your souls. But they say, 'We will not walk therein.'
Zechariah 7:12
Yea, they made their hearts as an Adamant stone lest they should hear the law and words, which the LORD of Hosts sent in his holy spirit by the prophets afore time. Wherefore the LORD of Hosts was very wroth at them.
Malachi 2:13-14
Now have ye brought it to this point again, that the altar of the LORD is covered with tears, weeping, and mourning: so that I will no more regard the meat offering, neither will I receive or accept anything at your hands.
Matthew 3:15
Jesus answered and said to him, "Let it be so now, for thus it becometh us to fulfill all righteousness." Then he suffered him.
Matthew 8:31
Then the devils besought him saying, "If thou cast us out, suffer us to go our way into the herd of swine."
Mark 10:5
And Jesus answered, and said unto them, "For the hardness of your hearts he wrote this precept unto you.
1 Corinthians 7:6
This I say of favour, not of commandment.