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这个世界上充满了自童年以来从未以开放的心态迎接开放之门的人。
The world is full of people who have never, since childhood, met an open doorway with an open heart.
The only real elegance is in the mind; if you've got that, the rest really comes from it.
In machine learning, the trade-off between bias and variance is crucial for achieving good generalization.
Happiness is not about getting what you want all the time. It’s about loving what you have and being grateful for it.