Sources of Einstein’s comments

Leopold Infeld, Albert Einstein: His work and its influence on our world. Charles Scribner’s Sons,1950, p. 110

Max Born, The Born-Einstein Letters. Macmillan, 1971, pp. 168-69, 192.

Albert Einstein, “Physics and Reality,” in Ideas and Opinions, Dell Publishing, 1973, pp. 307-308, 310-311.

Albert Einstein, “The Fundaments of Theoretical Physics,” in Ideas and Opinions, Dell Publishing, 1973, p. 326.

Albert Einstein, Lettersto Solovine, Philosophical Library, 1987, p.