The obligation of subjects to the sovereign is understood to last as long, and no longer, than the power lasteth by which he is able to protect them.

学习数学的唯一方法就是做数学。

God writes the Gospel not in the Bible alone, but also on trees, and in the flowers and clouds and stars.

最好的肥料是农民在田间的身影。

农业现代化不是简单的机械化，而是要将科技与传统农业深度融合，打造智慧农业新生态。

凡是创作古文，必须推究前代文章的本意，以此形成自己的言论。

文化适应不是单一的过程，而是多种过程的复合体，每个过程在不同的层次和以不同的方式运作。