Sustainability isn't an option; it's our responsibility to the next generation.

We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.

"Hope is the thing that keeps us moving forward, even when the path is dark."

实现明天的唯一限制是我们今天的疑虑。

Never let your sense of morals prevent you from doing what is right.

在你雇佣人之前，你需要确认他的三项素质：正直诚实，聪明能干，精力充沛。但是最重要的是正直诚实，因为如果他不正直诚实而又具备了聪明能干和精力充沛，你的好日子也就到头了。