Physicist
Newton, Isaac. A New and Most Accurate Theory of the Moon's Motion. London: A. Baldwin, 1702.
Einstein, Albert. "Atomic Education Urged by Einstein." New York Times, 25 May 1946. Originally from "Telegram to prominent Americans." 24 May 1946. USA.
Newton, Isaac. Opticks: or, A Treatise of the Reflexions, Refractions, Inflexions and Colours of Light. London: Samuel Smith and Benjamin Walford, 1704, bk. 3, pt. 1, question 28.
Newton, Isaac. Opticks. Dover Publications, 2012, bk. 3, pt. 1, question 28.
Einstein, Albert. "Letter to Dr. H. L. Gordon." Quoted in Einstein: His Life and Universe, by Walter Isaacson. Simon & Schuster, 2007. Originally from Letter to Dr. H. L. Gordon, 3 May 1949.
Hawking, Steven. A Brief History of Time: From the Big Bang to Black Holes. Bantam Dell Publishing Group, 1988, conclusion.
Rutherford, Ernest. Quoted in Rutherford at Manchester, by J. B. Birks. Heywood and Company, 1962.
Bragg, William Henry. "Sound in War." c. Christmas 1919, The Royal Institution, Westminster, London, England, UK. Lecture.
Oppenheimer, Julius Robert. "The Atomic Bomb and College Education." Commencement ceremony. 28 Feb. 1946, University of Pennsylvania, Philadelphia, PA, USA.
Jeans, James. The Mysterious Universe. Cambridge University Press/Macmillan, 1930, ch. 5.
Weinberg, Steven. The First Three Minutes: A Modern View of the Origin of the Universe. Basic Books, 1977, epilogue.
On religion.
Weinberg, Steven. Address in Washington, DC. Conference on Cosmic Design. Apr. 1999, Washington, DC, USA.
Michelson, Albert A. "Comparison of the Microscope and Telescope with the Interferometer." Light Waves and Their Uses lecture series. 1899, Lowell Institute, Boston, MA, USA.
Newton, Isaac. Philosophiae Naturalis Principia Mathematica [The Mathematical Principles of Natural Philosophy], vol. 1. London: Josephi Streater, 1687, preface.
Newton, Isaac. The Principia, translated by Andrew Motte. Prometheus, 1995, the author's preface.
Newton, Isaac. "Rules for Methodising/Construing the Apocalyps." Untitled Treatise on Revelation, c. 1680, rule 9.
Einstein, Albert. Conference in New York City. Conference on Science, Philosophy and Religion in their Relation to the Democratic Way of Life. 9 Sept. 1940-11 Sept. 1940, New York City, NY, USA.
Einstein, Albert. "Einstein on the Atomic Bomb." Interviewed by Raymond Swing. Atlantic Monthly, Nov. 1945.
Einstein, Albert. Einstein on Politics: His Private Thoughts and Public Stands on Nationalism, Zionism, War, Peace, and the Bomb. Princeton University Press, 2013, ch. 8.