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要么忙着活,要么忙着死,人只有两种选择。
"You can't always be happy, but you can always be brave."
做出伟大工作的唯一方法就是热爱你所做的事。
Quality means doing it right when no one is looking.
The best way to learn econometrics is by doing—working with real data and real problems.
Happiness is holding someone in your arms and knowing you hold the whole world.