To Florus 2.88

—so that marriage, which God had created, could not exist without the devil’s gift, to which you assign sexual desire; or rather, so that the marriages God had ordained flew away with the honor of his institution, and Adam forced and proved the marriages whose order remained to be the devil’s work, not God’s, with their genital movement, the partners’ modesty, the heat and agitation of their limbs, the delight of their senses, and the guilt of their newborn children—