The laws of physics are universal, and testing them in extreme environments like the galactic center is essential.
我们今天种下的每一棵树都是对明天的承诺。
We make up horrors to help us cope with the real ones.
农民的智慧往往来自观察土地在不同季节的教诲。
思维法则是所有精确推理的基础。
Everyone seems to have a clear idea of how other people should lead their lives, but none about his or her own.