The police physician of Leipsic, Dr. J. Kuehn, says: “Prostitution is not only a bearable, but a necessary evil. It protects women from adultery (which only men have a right to commit--the author) and guards virtue (of course the virtue of women because men are not required to be virtuous--the author) against assault and destruction.”[87] These words grossly characterize the incarnate selfishness of men. Kuehn maintains the correct position of a police physician, whose duty it is to guard men against unpleasant diseases by the police surveillance of prostitution. Only the man is taken into consideration to whom celibacy is horrible and a torture, but the millions of women doomed to celibacy must content themselves. What is considered right in the man’s case, is considered wrong, immoral and criminal in the woman’s. Another interesting gentleman is Dr. Fock, who regards prostitution as a “necessary correlation of our civilization.”[88] He fears an overproduction of human beings if all persons should marry after having attained maturity, and therefore considers it important that prostitution should be regulated by the state. He considers police surveillance of prostitution justifiable, and that the State should furnish men with prostitutes who are free from syphilis. He declares himself in favor of closest surveillance of all women who can be convicted of leading a disorderly life. But can this surveillance be carried out, if ladies leading a disorderly life belong to the upper classes? It is the old story. Dr. Fock also recommends that a tax should be levied upon prostitutes and that they should be confined to certain streets. In other words, the ~Christian state~ should make prostitution a source of income by state organization and protection of vice in the interest of men.