Eddington, Sir Arthur. New Pathways in Science: Messenger Lectures 1934- Cambridge University Press, 1935, pp. 237, 242.
38
Ibid, pp. 232, 243.
39
Temple Robert K. G. The Genius of China [also: China: Land of Discovery and Invention]. Simon and Schuster, London and New York, 1986, pp. 209–213,
40
Macrobius. Commentary on the Dream ofScipio. Book II, Chapter 1, Section 22; translated by William Harris Stahl. Columbia University Press, New York, 1952, p. 189