The heart is a strange thing. It can be broken and still keep beating.
有志之士珍惜每一年的光阴;贤德之人,珍惜每一天的光阴;而圣人则会珍惜每一寸的光阴。
The major credit I think Jim and I deserve... is for selecting the right problem and sticking to it.
教育所要求的只有一项:通过孩子的内在力量来达到自我的学习。