译文：如果志向不坚毅，思想境界不开阔，沉溺于世俗私情，碌碌无为，永远混杂在平庸的人群之后，就会难免沦落到下流社会，成为没有教养，没有出息的人。
Randomized evaluations can help us understand what works and what doesn't in development.
Science is not about being right; it's about being less wrong.
If the highest aim of a captain were to preserve his ship， he would keep it in port forever.
真正的力量来自于脆弱和做自己的勇气。
天子认为对的未必对，天子认为错的未必错