给一个人火，他能温暖一天；但把他点燃，他能温暖余生。
Give a man a fire and he's warm for a day, but set fire to him and he's warm for the rest of his life.
You can't build an empire without making a few enemies along the way.
Randomized evaluations can help us understand what works and what doesn't in development.
志士仁人所器重景仰的，是名声、功业、道德、情操；凡夫俗子所追求炫耀的，是服装、饰物、住宅、生活。
Overfishing today means empty nets tomorrow.