"To read is to walk in someone else's shoes; to write is to leave your own footprints behind."

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.

善恶之间的界限是可渗透的，任何人在环境的推动下都可能跨越它。

他们做事，上尊敬天，中敬奉鬼神，下关爱百姓。 

插图不仅仅是图画；它们是故事的灵魂。