The struggle for survival is the essence of life.
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.
成功不是终点，失败也非致命，重要的是继续前进的勇气。
The best way to learn a new programming language is by writing programs in it.
I'd rather be hated for who I am than loved for who I am not.