In the short run, the market is a voting machine, but in the long run, it is a weighing machine.
"In the short run, the market is a voting machine, but in the long run, it is a weighing machine."(단기적으로 시장은 투표기계지만, 장기적으로는 저울이다.) – 벤저민 그레이엄(Benjamin Graham)