—— 请按键盘 空白键 开始游戏 ——

The only way to get to the top of the ladder is to climb it step by step.
Art is the only serious thing in the world. And the artist is the only person who is never serious.
韩寒:“其实说穿了,教师只是一种职业,是养家糊口的一个途径,和出租车司机,清洁工没有本质的区别。”
The language of causality is the language of science.
数学的进步归功于那些不是被应用的欲望驱动,而是被发现的喜悦驱动的人。