Every drop of oil should be used efficiently and responsibly.

我们相信美国会做正确的事。当然,是在她尝尽其他一切可能之后。

设计市场需要经济理论和实践直觉的结合。

Have the courage to follow your heart and intuition.

勤勉：不要浪费时间，只做有用的事情，戒除一切不必要的行为。

The teacher's task is not to implant facts but to place the subject to be learned in front of the learner and, through sympathy, emotion, imagination, and patience, to awaken in the learner the restless drive for answers and insights which enlarge the personal life.

活着是世界上最罕见的事，大多数人只是存在，仅此而已。

数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。