"I have yet to see a problem, however complicated, which, when you looked at it in the right way, did not become still more complicated." -- P. Anderson, New Scientist, 1969 (as quoted in Stirzaker, 1999)
"The problem is that we attempt to solve the simplest questions cleverly, thereby rendering them unusually complex. One should seek the simple solution." -- A. Chekhov
"It's easy to have a complicated idea," Carver Mead used to tell his students at Caltech. "It's very, very hard to have a simple idea."
"Keep it simple. The more you say, the more mistakes you will make." -- Chinese fortune cookie