数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

被省略的东西和包含的东西一样重要。

你的噪音无法停止是因为我。

Happiness is not something ready-made. It comes from your own actions.

"Mental processes are tools for solving life's problems."

创造一切非凡事物的那种神圣的爽朗精神总是同青年时代和创造力联系在一起的。

The deepest problems of modern life derive from the claim of the individual to preserve the autonomy and individuality of his existence in the face of overwhelming social forces, of historical heritage, of external culture, and of the technique of life.

You can't control what you don't measure.