Innovation without practicality is just noise—farmers need real solutions.

One does not ask of one who suffers: What is your country and what is your religion? One merely says: You suffer, that is enough for me.

对天资在中等程度以上的人，可以和他谈论高深的学问；而对于中等以下天资的人，则不可以和他谈论高深的学问。

The real challenge is not in solving the equations, but in understanding what the solutions mean.

壁画是空间与观者之间的对话。

最重要的是问心无愧。

词语之间的沉默有时比词语本身更能说明问题。