have often wondered about the consciousness of animals, how it must be more shadowy than ours, more dreamlike and fleeting, small thoughts like half-burned candles, their outlines never fully formed. And perhaps that is also the case for many of us who must strain to think with clarity. I have known a great many intelligent people in my life. I knew Planck, von Laue, and Heisenberg. Paul Dirac was my brother-in-law, Leo Szilard and Edward Teller have been among my closest friends, and Albert Einstein was a good friend too. But none of them had a mind as quick and acute as Janos von Neumann. I
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