证明是一种用于使他人相信数学陈述为真的工具。

创新是在不断变化的行业中保持竞争力的关键。

"Writing is a way to make sense of our emotions."

Success is not final, failure is not fatal: It is the courage to continue that counts.

The past is always constructed from the present.

If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.

我们距离完全理解M理论还很远，但这一旅程已经带来了难以置信的回报。