Millions saw the apple fall, but Newton asked why.

黑洞防火墙的概念挑战了我们对量子力学和广义相对论的理解。

Success is measured not just by profits, but by the positive impact we create.

唯一使生活成为可能的是永久而难以忍受的不确定性；不知道接下来会发生什么。