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"We are all just walking each other home."

"The quantum world is not just a smaller version of the classical world; it operates under entirely different rules."

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.

教育是富有時的飾品，窮乏時的避難所。

譯文：經常在外人面前夸耀自己就是最大的短處，知道自己還有短處就是最大的長處。賞析：做人低調不張揚，才不會引起別人的嫉妒和報復。為人處世，不談論自己的優點，不議論別人的短處。

“科學是現實的詩歌?！?/div>