Mark 10:6
King James Version
But from the beginning of the creation God made them male and female.
Mark 10:6 in context
Mark 10:4
And they said, Moses suffered to write a bill of divorcement, and to put her away.
Mark 10:5
And Jesus answered and said unto them, For the hardness of your heart he wrote you this precept.
Mark 10:7
For this cause shall a man leave his father and mother, and cleave to his wife;
Mark 10:8
And they twain shall be one flesh: so then they are no more twain, but one flesh.