永远不要停止学习。当你认为自己无所不知时，就是你失败的时候。
Never stop learning. The moment you think you know it all is the moment you fail.
Life is made up of sobs, sniffles, and smiles, with sniffles predominating.
怀疑在一段时间内是有用的。我们都必须经过客西马尼园。如果基督也曾与怀疑玩耍，那么我们也必须如此。
Safety and sustainability are the cornerstones of modern mining.
The real problem is not whether machines think but whether men do.
“谁如命运似的催着我向前走呢？““那是我自己，在身背后大跨步走着。”