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I think the most important thing in life is to love and be loved in return.

金錢是戰爭的命脈。

只有當真理照耀著你時，你才去追求她；但當她轉身離去時，就讓她離開吧。

The use of a program to prove the 4-color theorem will not change mathematics - it merely demonstrates that the theorem, a challenge for a century, is probably not important to mathematics.

The more you know, the less you need.