By renouncing for one man alone that mysterious reserve which divine law has implanted in her heart, the woman pledges herself to this man for whose sake she momentarily suspends the modesty which she never loses, for whom alone she lifts the veils which otherwise are her refuge and her adornment. Hence this intimate confidence in her husband, the result of an exclusive relation which can only exist between her and him, and without which she feels herself dishonoured. Hence her husband's thankfulness for the sacrifice and that mixture of desire and respect for a being who, even while sharing his pleasures, seems only to be submitting to him. Animal nature is against this restriction . This restriction of the sexual instinct to marriage has nevertheless also important advantages, namely, by its means infectious diseases are usually avoided.
Marriage saves the government a lot of trouble.
The difficulty that education may only be carried out within such a relation, however, gives rise to far fewer doubts than is the case with the satisfaction of the sexual instinct if for no other reason than that it is permissible to entrust education by contract to a third person, so that he who feels a very strong urge in this respect can easily satisfy it, only not, of course, necessarily in regard to the particular person whom he would like to engage. The reality of this relationship depends mostly on the mere accident of birth, which is connected with the father through marriage. This way of originating the relationship is obviously not very rational, if only because it usually opens the way to preference, which itself is already an obstacle to a good education. That it is not even absolutely necessary is evident from the fact that education is given also to children whose parents are already dead. As regards the division of governmental powers, it is true that no particular constitution is absolutely lawful, but every constitution is provisionally lawful , whatever the division of governmental powers .