[from The Autobiography of Charles Darwin 1809-1882, edited by his grand-daughter Nora Barlow]]
[a selection from Darwin’s Correspondence]
[from Nature, Vol. XIX, in J.C. Maxwell’s Scientific Papers, New York 1965]
[from a lecture given in Paris, 1921]
[from The Divine Milieu, 1927]
[from Biology of Ultimate Concern , 1967]
[from Physics and Beyond, 1971]
[from a Lecture given at Grottaferrata ( Italy ), in 1972]
[from a letter to Mr. Grose, September 14, 1972]
[from M. Micheli, “Enrico Fermi e Luigi Fantappié. Ricordi personali,”, 1979]
[from The New Physics and a New Theology, 1996]
[interview given in 1997]
[from American Paleontologist 5, 1997]
[from The Wall Street Journal, March 11, 2005]
[from Time International, November 5, 2006]
[from First Things, 2006]
[from International Herald Tribune, June 2, 2008]
[interview by John Horgan, National Geographical Magazine, February 2009]