“ His keen logic and gift for acute exposition and criticism were displayed in later years both in fiction and in controversial works. In a series of books dealing with religious questions he insisted on dogma as the basis of religion and on the impossibility of founding religion on purely scientific data. In Is Life Worth Living? (1879) and The New Paul and Virginia (1878) he attacked Positivist theories, and in a volume on the intellectual position of the Church of England, Doctrine and Doctrinal Disruption (1900) , he advocated the necessity of a strictly defined creed. ”