1061. Now, in a like manner, spiritual and celestial things are distinguished in heaven; and how they are distinguished one from the other can be plain from the above mentioned representations. As established from creation the masculine sex pertains to the class of spiritual things, but the feminine sex to that of celestial things. Hence it was a precept of the first marriage that the man should cleave unto his wife, that is to say, that intellectual things must be associated with celestial things, that they may become one body.