农民的智慧往往来自观察土地在不同季节的教诲。

The most dangerous poison is the feeling of achievement. The antidote is to think like a beginner every morning.

心理学唯一有效的数据是受过训练的观察者的报告。

一种善行没有内心的支持就不会长久,一种行为如果得不到自身的了解就无法树立。

To feed the world, we must first understand it.

Retire into yourself and ask yourself this question: Must I write？ If the answer is yes， then you must keep writing.