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.

知识只有在应用时才有用。

"You don't have to be perfect to be amazing."

Sorrow can be alleviated by good sleep， a bath and a glass of wine.

用户不是上帝，用户是朋友。

If knowledge can create problems, it is not through ignorance that we can solve them.

The world is before you and you need not take it or leave it as it was when you came in.