I’m not playing for the records. I play tennis because I love it.
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
最终，我们都独自面对自己的选择。
En la oscuridad de la noche, las palabras brillan como estrellas, guiándonos hacia la luz.
我不想坠入爱河，我想坠入成功。
As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.