Thou must obey some one, and for a long time; thou wilt come to grief, and lose all respect for thyself this seems to me to be the moral imperative of nature, which is certainly neither categorical, as old Kant wished (consequently the otherwise, nor does it address itself to the individual (what does nature care for the individual!), but to nations, races, ages, and ranks; above all, however, to the animal man generally, to.