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.

 Knowledge is the key to unlocking the door to the soul.

你能做的最激进的事情就是呆在家里，爱你的家人。

历史不是一条直线；它螺旋上升，将我们困在其循环中，直到我们直面它的幽灵。

故事是我们文化的生命线，是我们理解世界和我们在其中位置的方式。

The past is never dead. It's not even past.

"In the study of computational complexity, we often find that the boundaries of what is possible are defined by the limits of our imagination."

Be realistic, demand the impossible!

预测未来的最好方式就是创造未来。

I think music is the best way to bring people together.