计算复杂性的概念不仅仅是我们能计算多快，还包括理解什么是可以计算的极限。
It's not about the legs; it's about the heart and the mind.
"A story is not a line; it is a web."
The reality is: sometimes you lose. And you’re never too good to lose. You’re never too big to lose. You’re never too smart to lose. It happens.
The food issue is not only an economic issue, but also a political one, related to the long-term stability of the country.
理论与观测之间的相互作用推动了天体物理学的发展。
文学的力量在于它能够让我们在宇宙中感到不那么孤独。
"We are all time travelers, moving forward at the speed of life, but always looking back."