A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.
自然法，即lexnaturalis，是由理性发现的命令或一般规则，它禁止一个人做对他的生命有害或夺走维护生命的手段的事情。
The only way to have a good day is to start it with a positive attitude.
我们将比以往任何时候都更强大地度过这场冠状病毒危机。
The most important single aspect of software development is to be clear about what you are trying to build.
我总是努力比昨天的自己更好。
对任何模型的最大期望是它能提供一个对现实有用的近似。