Read not to contradict and confute; nor to believe and take for granted; nor to find talk and discourse; but to weigh and consider.
You should write, first of all, to please yourself. You shouldn't care a damn about anybody else at all.
好奇心是所有伟大数学发现背后的驱动力。
人人都称赞的书，恰恰是没人读的书。