"The world is a mirror, and the mirror is a shadow."

我们必须停止空谈改变，开始行动。

If there's a book that you want to read, but it hasn't been written yet, then you must write it.

为别人浪费的一天并不是为自己浪费的一天。

当人们知道目标是什么以及为什么时，他们的工作效果会更好。人们期待早晨去工作并享受工作是很重要的。

Science is not just about finding answers, but also about asking the right questions.

Life has become richer by the love that has been lost。

美国没有永恒的敌人，也没有永恒的朋友，只有永恒的利益。