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The greatest virtue in life is real courage that knows how to face facts and live beyond them.
To wear your heart on your sleeve isn't a very good plan; you should wear it inside, where it functions best.
The P versus NP problem is one of the most important unsolved problems in computer science.
在理解宇宙的追求中,我们必须保持谦逊,因为我们找到的每一个答案都会引出一系列新的问题。
"Sometimes, the hardest thing and the right thing are the same."