The deterioration of every government begins with the decay of the principles on which it was founded.

历史学家的首要职责是忠于真相。

人们放弃权力的最常见方式是认为自己没有任何权力。

I don't have time to worry about who doesn't like me. I'm too busy loving the people who love me.

The only way to learn mathematics is to do mathematics.

对于非礼的事，上等到的士人根本不想；对于非礼的事，中等的士人从来不说；对于非礼的事，下等的士人紧闭门户。

In the oil industry, efficiency and sustainability are two sides of the same coin.

世界不是长方形的。