"History is not what happened, but what we remember and how we remember it."
The laws of physics are the same in every corner of the universe.
In a state, the liberty of one citizen is a menace to the others.
代数分析很快让我们忘记了研究的主要对象,因为它将我们的注意力集中在抽象的组合上,直到最后我们才回到最初的目标。