of life?⁠—In the end, it is not only permitted to make this attempt, it is commanded by the conscience of logical method . Not to assume several kinds of causality, so long as the attempt to get along with a single one has not been pushed to its furthest extent (to absurdity, if I may be allowed to say so): that is a morality of method which one may not repudiate nowadays⁠—it follows “from its definition,” as mathematicians say. The question is ultimately whether we really recognize the will as operating , whether we believe in the causality of the will; if we do so⁠—and fundamentally our belief in this is just our belief in causality itself⁠—we must