Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.
每一个数学定理都是一个等待被讲述的故事,一个等待被解开的谜团。
I write because I cannot scream.
Coal’s future depends on our ability to make it cleaner and more efficient.
Never underestimate the power of a strong company culture.
The best preparation for tomorrow is doing your best today.