“[W]e must add at once that a judgement on Mozart's verbal coprophilia would necessarily miss the mark if it applied present-day standards of civilization, thus implicitly regarding our own canon of sensibility as universal, a canon for the whole mankind, and not as one that has developed. To do justice to Mozart's tendency, we need to have a clear idea of the civilizing process in the course of which the social canon of behavior and feeling changes in a specific way.”