Mark 10:5 KJV

And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.
Mark 10:5, King James Version

In context

4 And they said, Moses suffered to write a bill of divorcement, and to put her away.

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

6 But from the beginning of the creation God made them male and female.