"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."

Mathematics is not a spectator sport. You have to get involved.

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.

写作的真正美在于其触动人类心灵的能力。

艺术是一个国家灵魂的反映。

The health of the ocean reflects the health of humanity.

我想解放人们，让他们觉得自己不必只做一种人。