I don't believe in luck. I believe in hard work.

To love is to suffer, but to suffer is also to love.

Competition is a good thing, it forces you to keep improving.

事实是，每个人都会伤害你；你只需要找到那些值得你为之受苦的人。

"Randomized experiments are the gold standard for causal inference, but they are not always feasible."

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

Keep your face always toward the sunshine, and shadows will fall behind you.

过去总是紧张的，未来是完美的。