The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.

Nothing runs like a Deere.

自愿行为是统觉的结果。

译文：大道没有具体的形态，那么内心要凭借什么去领悟呢?关键在于每个人自身的智慧和见识是否高明。

We don't follow others, we lead the industry.

诗人是让世界歌唱的人。

不被荣誉诱惑，不被诽谤吓退，遵循道义行事，认真端正自己。