抛弃世俗的琐事,身体就不会劳累;遗忘人生的烦恼,精神就不会亏损。
The challenge is not just to give people money but to understand how they make decisions under constraints.
I think that we communicate only too well, in our silence, in what is unsaid.
引力波的探测为我们打开了一扇观察宇宙的新窗口。