你唯一必须知道的就是图书馆的位置。
The only thing you absolutely have to know is the location of the library.
You've got to learn to leave the table when love's no longer being served.
"In the end, we only regret the chances we didn't take."
"Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful."
古人云:“欲工善其事,必先利其器。”要想把事情做好,首先必须要有便利的工具。