The Origin of the Knowledge of Right and Wrong, is a book written on the moral philosophy of right and wrong. "We possess impressions with physical content. These exhibit to us sensuous qualities localized in space. Out of this sphere arise the conceptions of colour, sound, space and many others. The conception of the good, however, has not here its origin. It is easily recognizable that the conception of the good like that of the true, which, as having affinity, is rightly placed side by side with it, derives its origin from concrete impressions with psychical content."
Franz Clemens Honoratus Hermann Brentano (/brɛnˈtɑːnoʊ/; German: [bʀɛnˈtaːno]) was a philosopher, psychologist, and priest whose work strongly influenced not only students Edmund Husserl, Sigmund Freud, Tomáš Masaryk, Rudolf Steiner, Alexius Meinong, Carl Stumpf, Anton Marty, Kazimierz Twardowski, and Christian von Ehrenfels, but many others whose work would follow and make use of his original ideas and concepts.