The Mystery of Being () is a two-volume book of existential philosophy by Gabriel Marcel. The two volumes are, "Reflection and Mystery" and "Faith and Reality".Blackham, H. J. Six Existentialist Thinkers. Routledge, 1991, p. 171. First published in 1951, the book is a collection of Gifford Lectures given by Marcel while at the University of Aberdeen between 1949 and 1950.
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External links http://plato.stanford.edu/entries/marcel/ https://www.angelfire.com/md2/timewarp/marcel.html