The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.
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。
书籍是理解我们自己的钥匙。
心灵是自己的地方，它本身可以把地狱变成天堂，把天堂变成地狱。
All mankind... being all equal and independent, no one ought to harm another in his life, health, liberty, or possessions.
