The old believe everything, the middle-aged suspect everything, the young know everything.
技术本身没有善恶之分，关键在于使用技术的人。
The best fruits come from passion, patience, and precision.
我不需要计划，我只需要愿景。
"The truth is rarely pure and never simple."
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.