没有什么是一成不变的！

To know is nothing at all; to imagine is everything.

I'm more worried about being a good person than being the best football player in the world. When all this is over, what's left is what you've achieved; what kind of person you were.

The mining industry must lead by example in safety, sustainability and social responsibility.

筹划洋人的事情一定要先了解洋人的情况，要了解洋人的情况一定知道洋人的情况。

北极仅有一盏路灯，南极也只有一盏；唯独北极的点灯人和他南极的同行，过着闲逸懒散的生活：他们每年只工作两次。