—— 请按键盘 空白键 开始游戏 ——

可持续性不是一种选择,而是必须——如果我们想在养活不断增长的人口的同时不破坏地球的话。
We hold ourselves back in ways both big and small, by lacking self-confidence, by not raising our hands, and by pulling back when we should be leaning in.
数学家最好的工作往往来自于在别人看不到联系的地方发现联系。
Life is too short to not chase your dreams.
History has neither the venerable age of the earth nor the innocence of the child; it is always the result of human passions and human errors.