—— 请按键盘 空白键 开始游戏 ——

You cannot swim for new horizons until you have courage to lose sight of the shore.
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
释义:种植荆棘会得到刺,种植桃李会得到阴凉。
写作是我向自己解释自己生活的唯一方式。
The way we frame a problem can greatly influence the solutions we come up with.
Success is not final, failure is not fatal: It is the courage to continue that counts.