1. Raven Charles E., Science, religion, and the future (Cambridge, 1943), p. ix. On Raven's unifying vision, see Dillistone F. W., Charles Raven: Naturalist, historian, theologian (London, 1975) and Moore James, The future of science and belief: Theological views in the twentieth century (Milton Keynes, 1981), 5–22.
2. Singer Charles, The Christian failure (London, 1943), 9, 71.