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性能的关键在于优雅,而不是大量的特殊情况。
数学的研究就像空气或重力——它无处不在,即使你看不到它。
"The only thing that is real is the present moment."
The greatest wisdom is to recognize one's own ignorance.
The truth is not always what we want to hear, but it is what we need to know.