The market is a pendulum that forever swings between unsustainable optimism (which makes stocks too expensive) and unjustified pessimism (which makes them too cheap). The intelligent investor is a realist who sells to optimists and buys from pessimists.

"The quest for efficient algorithms is a journey through the landscape of mathematical possibility."

我读一本无聊的书睡着了，梦见我继续读着，所以我因纯粹的厌倦而醒来。