我不是时间，我是空间。

【译文】 子夏说：“广泛学习并且不停地朝着目标前进，认真地提出问题并且联系实际去思考，仁就在其中了。”

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

我想被人们记住是一个好人

The measure of a good book is determined by how much it makes you think and feel.

What you do makes a difference, and you have to decide what kind of difference you want to make.