The mind will ever be unstable that has only prejudices to rest on.

科学应该弥合实验室和实地之间的差距。

We are all prisoners of our own experiences, and it is only through understanding others that we can free ourselves.

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.