能量守恒定律不仅仅是一个抽象原则；它是已被无数实验验证的自然法则。
Mathematics is not just a collection of abstract concepts, but a language that allows us to understand the universe.
释义：兵法的要旨在于灵活应变，善于了解和掌握军事的本质，行动之前必须先预测敌人的动向。
The ultimate goal of computer science is to create systems that are both powerful and reliable.
"Stories are like hearts; they're meant to be shared."