Reference

Mark 10:6

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

7

For this cause shall a man leave his father and mother, and cleave to his wife;

8

And they twain shall be one flesh: so then they are no more twain, but one flesh.