这门崇高科学的迷人魅力，只有在那些有勇气深入其中的人面前才会展现出全部的美。

Light thinks it travels faster than anything but it is wrong. No matter how fast light travels, it finds the darkness has always got there first, and is waiting for it.

Success in this industry is measured not just in tons produced, but in communities strengthened and environments protected.

自由是绝对必要的。