法律的概念是复杂的，不仅涉及规则，还涉及原则、政策和标准。

We don't receive wisdom; we must discover it for ourselves after a journey that no one can take for us or spare us.

语言不仅仅是交流的工具，也是通往灵魂的桥梁。

The problem, as I see it, is that you’ve been told to believe that what you do is of the utmost importance. But that’s all nonsense.

化学最令人兴奋的地方在于能够创造出从未存在过的新分子。