Song of Solomon 8:6 (KJV)
Set me as a seal upon thine heart as a seal upon thine arm for love is strong as death jealousy is cruel as the grave the coals thereof are coals of fire which hath a most vehement flame
Set me as a seal upon thine heart as a seal upon thine arm for love is strong as death jealousy is cruel as the grave the coals thereof are coals of fire which hath a most vehement flame