"The quantum dualities, which are known as S-duality or U-duality, extend the classical T-duality and lead to a beautiful and coherent picture of stringy dualities. These exchange highly quantum situations with semiclassical backgrounds, exchange different branes, etc. As in the classical dualities, among all dual descriptions there is at most one description which is natural because it is semiclassical. All other dual descriptions are very quantum mechanical."

"In our discussions and exchanges on Berlin and other international questions, the one thing that has most concerned me has been the possibility that your Government would not correctly understand the …"

"Because psychologists have been able to discover, exactly as in a slow-motion picture, the way the human creature acquires knowledge and habits, the normal child has been vastly helped by what the ret…"

"Clausewitz to be sure, had gone out of his way to point out that armies even when commanded by Napoleon, had rarely defeated opposing armies of as much as twice their size-thus indicating a certain bo…"

"The racism in England was not so institutionalized. Well, it was institutionalized, but then it was so efficiently realized that it didn’t need institutions, if you understand what I mean. In England,…"