在经济学中，魔鬼往往藏在细节里。
In economics, the devil is often in the details.
"I'm not perfect, but I strive to be the best."
过去并没有死去。它甚至还没有过去。
没有单一版本的历史；只有不同的视角。
In mathematics, the journey of discovery is as important as the destination.
I'm not going to change who I am just because people want me to be something else.
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.