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In mathematics, you don't understand things. You just get used to them.
只要做一次别人说你做不到的事,你就再也不会在意他们的限制了。
The past is never dead. It's not even past.
The success of a learning algorithm depends on its ability to balance between fitting the data and avoiding overfitting.
The most important thing is to enjoy your life—to be happy—it's all that matters.