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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.
语言是我们拥有的最强大的武器。
"To understand a person, you must first understand their silences."
The art of teaching is not to impart knowledge, but to inspire, awaken, and encourage.
Language is the house of being. In its home man dwells.