can serve for them all. Therefore among civilised nations we find throughout two different kinds of metaphysics, which are distinguished by the fact that the one has its evidence in itself, the other outside itself. Since the metaphysical systems of the first kind require reflection, culture, and leisure for the recognition of their evidence, they can be accessible only to a very small number of men; and, moreover, they can only arise and maintain their existence in the case of advanced civilisation. On the other hand, the systems of the second kind exclusively are for the great majority of men who are not capable of thinking, but only of believing, and who are not accessible to reasons, but only to authority. These systems may therefore be called metaphysics of the people, after the analogy of poetry of the people, and also wisdom of the people, by which is understood proverbs. These systems, however, are known under the name of religions, and are found among all nations, not excepting even the most savage. Their evidence is, as has been said, external, and as such is called revelation, which is authenticated by signs and miracles. Their arguments are principally threats of eternal, and indeed also temporal evils, directed against unbelievers, and even against mere doubters. As ultima ratio theologorum, we find among many nations the stake or things similar to it. If they seek a different authentication, or if they make use of other arguments, they already make the transition into the systems of the first kind, and may degenerate into a mixture of the two, which brings more danger than advantage, for their invaluable prerogative of being imparted to children gives them the surest guarantee of the permanent possession of the mind, for thereby their dogmas grow into a kind of second inborn intellect, like the twig upon the grafted tree; while, on the other hand, the systems of the first kind only appeal to grown-up people, and in them always find a system of the second kind already in possession of their convictions. Both kinds of metaphysics, whose difference may be briefly expressed by the words
