Time and Eternity - An Essay on the Philosophy of Religion (1st imp. Princeton New Jersey 1952, Princeton University Press, 169 pp) is a philosophy book written by Walter Terence Stace. At the time of writing, Stace was a professor of philosophy at Princeton University, where he had worked since 1932 after a 22-year career in the Ceylon Civil Service. Time and Eternity was one of his first books about the philosophy of religion and mysticism, after writing throughout most of the 1930s and 1940s that was influenced by phenomenalist philosophy.