我认为，为了看学生是否符合教师设定的某些标准而测试其成绩，与治疗对有意义学习的启示直接相悖。

I strongly believe that missionaries make better products. They care more. For a missionary, it's not just about the business. There has to be a business, and the business has to make sense, but that's not why you do it. You do it because you have something meaningful that motivates you.

交易成功的关键是对市场心理有扎实的理解。

"La palabra es el arma más poderosa del escritor, y con ella puede cambiar el mundo."

一个好的数学家是能看到定理之间类比关系的人。一个伟大的数学家是能看到类比关系之间的类比关系的人。