What I cannot create, I do not understand.

“How can we tell whether the rules which we "guess" at are really right if we ca…”

“So our problem is to explain where symmetry comes from. Why is nature so nearly…”

“Science is a way of trying not to fool yourself. The principle is that you must…”

“When it came time for me to give my talk on the subject, I started off by drawi…”