However, since I not only am authorized to think my existence also as that of a noumenon in a world of understanding but even have in the moral law a purely intellectual determining basis of my causality (in the world of sense), it is not impossible that the morality of one's attitude should have a connection, and moreover a necessary one, as cause with happiness as effect in the world of sense, if not a direct connection then still an indirect one (by means of an intelligible originator of nature), a linkage which in a nature that is merely an object of the senses can never take place except contingently and cannot be sufficient for the highest good.