—— 请按键盘 空白键 开始游戏 ——

A leader does not deserve the name unless he is willing occasionally to stand alone.
写作是一种爱的行为,一种接近他人、理解他人的方式。
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
这个世界充满了故事,而每个故事本身就是一个世界。
The past is a foreign country; they do things differently there.
I write to understand the world, and to understand myself.
元素周期表没有改变,但我们使用其元素的方式必须改变。