Mathematics advances not by the efforts of individuals alone but through the collective work of generations.
数学的进步不仅仅依靠个人的努力,而是通过几代人的集体工作。
最危险的浪费是我们没有意识到的浪费。
关键在于不断进步,持续努力。
I don't think you can ever do your best. Doing your best is a process of trying to do your best.
一切皆为腹地。腹地之大,如同整个世界。
Writing for children is a responsibility—they deserve the truth, even when it's hard.