你知道的越多,你就越意识到你不知道的越多。
人的一生,必然要经过苦、乐磨炼;在苦难中练就的幸福,才最为长久。
数学是一种思维方式,而不仅仅是一堆事实。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."