Profitability and sustainability are not mutually exclusive—they must go hand in hand.

Technology is just a tool. In terms of getting the kids working together and motivating them, the teacher is most important.

人们并不愚蠢，只是世界很复杂。

我不害怕与众不同。

Science is a way of thinking much more than it is a body of knowledge.

孔子说季氏：“他用天子的舞蹈阵容在自己的庭院中舞蹈，这样的事可以容忍，什么事不能容忍？”

我写作是为了探索那些让我害怕的事情。