当你刚刚创造出原本不存在的东西时，世界似乎总是更明亮。
The world always seems brighter when you've just made something that wasn't there before.
History is merely a list of surprises. It can only prepare us to be surprised yet again.
预见数学未来的真正方法是研究它的历史和现状。
The mind is everything. What you think, you become.
如果你实在没有办法从别人那得到一句赞美，那就自己送自己一句吧。