文学是一面反映我们所处社会的镜子。

The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.

Courtesy costs nothing. Lower the toilet seat after use. Let the people in the elevator exit before you enter. Return shopping carts to their designated areas. When you borrow something， return it better shape (filled up， cleaned) than when you got it.

真正的工艺在于让困难的事情看起来毫不费力。