处理一个不自由的世界的唯一方法是变得绝对自由，以至于你的存在本身就是一种反抗。

The writer’s first job is not to have opinions but to tell the truth.

Beauty is how you feel inside and it reflects in your eyes. It is not something physical.

《与邹鲁的谈话》（1919年6月）

所以，国家的钱财不足以来应付饥荒，救济孤儿寡妇，这样，国家就贫困，百姓就难于治理。 

The law of nature is the fundamental wisdom.

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

Don’t take it personally when someone turns you down. Assume they are like you: busy， occupied， distracted. Try again later. It’s amazing how often a second try works.