"Randomized experiments are the gold standard for causal inference, but they are not always feasible."
我相信音乐是世界上最好的沟通方式。
美国也是一种幻觉,是所有幻觉中最伟大的一个。
"Writing is a way to give voice to our dreams."
科学的每一个伟大进步都源于想象力的新大胆。
I love man as my fellow; but his scepter, real, or usurped, extends not to me, unless the reason of an individual demands my homage.