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生命与死亡之间的界限,充其量不过是模糊的阴影。谁能说清它们的交界在哪里?
The best time to plant a tree was 25 years ago. The second best time is today.
The deepest problems in mathematics often arise from the simplest questions.
The best way to escape from a problem is to solve it.
I don't make music for the critics. I make music for the fans.
Spend each day trying to be a little wiser than you were when you woke up.