In the world of sense, reproduction is called marriage, and from this marriage, likenesses of two spouses from every animal and plant are generated, so a human being appears from two humans and a horse from two horses, and the joining may occur without the two likenesses, and a strange shape is created between them, something resembling the eye of one of the spouses, like a mule between a donkey and a horse, and every birth is between two forms. Different, he is not born at all, for he is sterile, for he is the one who gives birth but does not give birth, so a marriage of this type is not for the purpose of giving birth, but merely for the sake of lust and pleasure, so the first marriage resembles this marriage, which was prohibited by someone other than the gender of the spouses due to it being a marriage of a different gender, so a strange form is created between them that resembles one of them, I mean, of the spouses, so understand. The pollination of trees by fertile winds is