成功不是关于成为最好的,而是关于让他人变得更好。
Love is the only reality, and it is not a mere sentiment. It is the ultimate truth.
"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
一只眼睛不如两只眼睛看得明白,一只耳朵不如两只耳朵听得清楚。