To teach mathematics is to inspire the next generation of thinkers and problem solvers.
Computer science is no more about computers than astronomy is about telescopes.
人只有在处于依赖状态的时候才是柔弱的,如果他无拘无束,不依赖他人的话,他早就是很强壮的了。
可持续性不是一种趋势,而是我们共同的责任。
The only thing that can make you free is your own mind.
每个故事都是一种幽灵,萦绕在当下。