I never stop learning and improving.
The mining industry must evolve to meet the demands of a changing world.
Always listen to your audience. They will tell you what they want, if you're willing to hear.
投票给承诺最少的人；他将是最不令人失望的。
解释：冬天不洗冰水，并不是吝惜冰；夏天不烤火，也不是舍不得火。而是因为这样做对身体不适宜。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.