The definition of a good mathematical problem is the mathematics it generates rather than the problem itself.
I am extraordinarily patient, provided I get my own way in the end.
政府下的人的自由是拥有一个普遍适用的常规生活准则,而不受另一个人的多变、不确定和武断意愿的支配。
视角值80个智商点。
Writing is the bridge between the conscious and the subconscious.