A great business at a fair price is superior to a fair business at a great price.
Science thrives on doubt and skepticism.
不能察觉事情发生前所显示出的端倪的人，灾难就要降临到他身上。
黑暗修复了光明修不了的东西。
The weight of the material determines the form.
Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing or learning to do.
Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.