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出自汉·桓宽《盐铁论·殊路》。镂:雕刻。如果没有内在的工夫,而只学习其表面,即使有再好的老师和朋友,也还是如同在油脂上作画、在冰上雕刻一样,只是浪费时间和功夫。
"Every observation we make is a step closer to understanding the cosmos."
Geometry is knowledge of the eternally existent.
I believe in the discipline of mastering the best that other people have ever figured out.I don't believe in just sitting down and trying to dream it all up yourself.