The only thing greater than the power of the mind is the courage of the heart.

We are all of us made by what we have done, and what has been done to us.

一个好的工程师是能把挫折转化为灵感的人。

We don't inherit the oceans from our ancestors; we borrow them from our children.

True progress happens when we balance economic growth with environmental stewardship.

如果你没有偶尔失败，说明你还不够努力。

无论我们承认与否，过去总是存在于我们的生活中。