The advantages found in history seem to be of three kinds， as they result either from the mere situation of the climate and country or from the form of government and of the character of the people， or from those finer principles and morals， which may be called the recommendations of philosophy.

最糟糕的不平等形式是试图使不平等的事物平等。

The advancement of mathematics is through generalization.

I saw China embracing the world and vice versa.

大胆梦想，努力工作，保持专注。