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.

"The best way to lead is to inspire."

不要让你的恐惧控制你。

Don’t be afraid to stand alone.

The quality of your life is determined by the quality of your relationships.

国君得到了我的学说，就必然会采用。