世界总是在运动中。

Every day is a new opportunity to grow and learn.

Well, the first rule is that you can’t really know anything if you just remember isolated facts and try and bang ’em back. If the facts don’t hang together on a latticework of theory, you don’t have them in a usable form.

Investing in cleaner coal technologies is investing in our planet's future.

意识之流朝向有目的的结果。

教学的艺术在很大程度上在于唤醒年轻心灵的自然好奇心，并用知识的营养来满足它。

当农民兴旺时，社区就会兴旺。我们的重点应该始终放在为种植我们粮食的人创造价值上。