A good story should make you laugh, cry, and wait.

数学是上帝用来书写宇宙的语言。

Chemistry is the central science that connects physics and biology.

"Every story is a journey, and every journey changes the traveler."

"We are all broken, that's how the light gets in."

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.

有了图书馆，你就是自由的，不会被暂时的政治气候所限制。它是最民主的机构，因为没有人——绝对没有人——能告诉你该读什么、什么时候读以及如何读。