FRUGALITY. Make no expense but to do good to others or yourself; i.e., waste nothing.

Small changes in the environment can have big effects on behavior.

国际体系的结构，而不是个别国家的意图，是国家行为的主要决定因素。

我想把美国从所有阻碍人们前进的事物中解放出来。

I want to show the world that when you train hard, when you focus, when you believe in yourself, anything is possible.

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.

Experimental physics has the last word in deciding between competing interpretations of quantum theory.

我们用数学来理解市场，而不是预测市场。

Sustainability is not just a goal; it's a responsibility we owe to future generations.