森林不需要我们，但我们需要森林——我们的生存依赖于此。

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.

"Memory is a tricky thing - it can be both a prison and a liberation."

未知不应被恐惧，而应被探索。