Certification standards are meaningless without rigorous enforcement.

“在科学中最令人兴奋的短语，预示着新发现的，不是‘我发现了！’而是‘这有点奇怪……’”

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.

我不是英雄，我是无声者的声音。

我不是一个喜欢典型的人。