All our power lies in both mind and body; we employ the mind to rule, the body rather to serve; the one we have in common with the Gods, the other with the brutes.
Bio: Leonard Mandel was the Lee DuBridge Professor Emeritus of Physics and Optics at the University of Rochester when he died at the age of 73 at his home in Pittsford, New York. He contributed immensely to theoretical and experimental optics.