有时候要大胆，有时候要小心，一个聪明人知道什么时候该怎么做。
There is a time for daring,and there is a time for caution, and a wise man understanding which is called for
The key to sustainable economic development is the continuous improvement of human capital through education and innovation.
我们都在阴沟里，但仍有人仰望星空。
The galactic center is a unique natural experiment in strong gravity.
解释：才华有高下之分，没有古今之别；文章有真实、虚伪之差，没有新旧之异。
"A writer must be a spy on humanity."
Success is a team effort; no one achieves greatness alone.
我们与孩子交谈的方式会成为他们内心的声音。
"The most dangerous prisons are those we build for ourselves."