—— 请按键盘 空白键 开始游戏 ——

The best time to plant a tree was 20 years ago. The second best time is now.
创新不仅仅是创造新产品;而是重新思考如何利用资源产生持久的影响。
衡量一个领导者的真正标准不是他们有多少追随者,而是他们培养了多少领导者。
Randomized evaluations can help us understand what works and what doesn't in development.
我们的智慧来自于我们的经验,而我们的经验来自于我们的愚蠢。