不了解人的缺点，不了解人的优点，不了解人优点中的缺点，不了解人缺点中的优点，就不可以随便用人，不可以随便教人。

数学是一门活生生的学科，随着新的思想和发现不断演变。

The past is a foreign country; they do things differently there.

Financial regulation should balance innovation and stability.

The fundamental principle of gestalt psychology is that the mind forms a global whole with self-organizing tendencies.

"The world is full of obvious things which nobody by any chance ever observes."

我不必是人类才能理解生命的价值。