The past is not dead; it is not even past.
The power of literature lies in its ability to make us feel less alone in the world.
Where returns are concerned, time is your friend. But where costs are concerned, time is your enemy.
在回报方面，时间是你的朋友。但在成本方面，时间是你的敌人。
儿童教育是人类最重要的一个问题。
量子革命不仅仅是一场科学革命；它是一场挑战我们对现实本身理解的哲学革命。