我们拥有的最有价值的资源不是地下的矿石,而是每天来工作的人们。
可持续发展不再是选择;它是当今世界生存的必要条件。
I don’t need a reason to be fearless.
The more we live by our intellect, the less we understand the meaning of life.
Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.