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I cannot live without books.
The concept of reducibility is central to understanding the relationships between different computational problems.
The only way to have a good day is to start it with a positive attitude.
即便真理没有带来便利,也要恪守它,因为你若企图掩盖真理,会带来更多的麻烦。即使真相并不令人愉快,也一定要做到诚实,因为掩盖真相往往要费更大力气。
In the end, we only regret the chances we didn't take.