The true power of mathematics is not in its complexity, but in its simplicity and elegance.
数学的真正力量不在于它的复杂性，而在于它的简洁和优雅。
The ultimate meaning to which all stories refer has two faces: the continuity of life, the inevitability of death.
过去从未死去，甚至从未过去。
Nothing is a waste of time if you use the experience wisely.
没有什么会永远失去。在这个世界上，有一种痛苦的进步。既怀念我们留下的，又梦想着未来。
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.