The fountain of content must spring up in the mind, and they who have so little knowledge of human nature as to seek happiness by changing anything but their own dispositions will waste their lives in fruitless efforts.

学习数学的最好方法就是去做数学。

每一项伟大的工程成就都始于一个清晰的愿景。

Farmers are the main body of agriculture, we must make farmers beneficiaries of modern agriculture.

We must not be afraid to be wrong, for only by being wrong can we learn and progress.

权力不是工具，而是一种关系。它存在于人与人之间，而不是人本身。