The best way to learn mathematics is to do mathematics.
复杂性不是理解的障碍,而是需要克服的挑战。
不信你短短观察几天,就不如初次的印象好了。
每一枪都很重要,生命中的每一刻也是如此。
The act of discovery is not reserved for the genius alone.
不要让自己被贫瘠的怀疑主义所污染。
The pursuit of mathematical knowledge is a never-ending adventure.