孤独的翅膀。。。飞向理想
我不讨厌巧妙好用的approximation。
我只是很讨厌不严谨，又牵强的approximation……
好吧，可能是我蠢。
挺你
If someone feels that they had never made a mistake in their life, then it means they had never tried a new thing in their life.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
(Einstein)
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