In mathematics, you don't understand things. You just get used to them.
Safety and sustainability are the cornerstones of modern mining.
过去不是单一故事,而是众声合唱。
The evidence for evolution is overwhelming.
成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜;真正的英雄主义是抵制这种怀疑;最深刻的智慧是知道何时应该抵制它,何时应该服从它。
你不尝试就100%会错过机会。