The beauty of physics lies in its ability to explain the complex with simple laws.
很容易忘记世界上有多少人,多到要爆炸,每个人都可想象却又总是被误解。
现在已经清楚,杂种形成的种子具有两个分化性状中的一个或另一个。
There are two kinds of violence of peace, that is the law and etiquette.
推动的关键是使期望的行为更加突出、更容易和更有吸引力。