利之中取大，害之中取小也
很多时候，我们都需要面对选择。如果都有好处，就要取其中好处最大的；如果都有害处，就取其中害处最小的。
"History is not just facts and dates; it’s the lives of people who lived them."
Science is the knowledge of consequences, and dependence of one fact upon another.
We are all in the gutter, but some of us are looking at the stars.