The people who are crazy enough to think they can change the world are the ones who do.
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.
企业的未来在于创新，而不是模仿。
The world is a great fire, and we are the sparks.
