The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.
采矿业的可持续性不是一种选择,而是我们未来的必然需求。
The mind is not a vessel to be filled, but a fire to be kindled.
科学的进步不是一条直线,而是一系列曲折,有时在新的进展之前似乎会倒退。