地质时间不仅漫长,而且其事件的发生是不规则的。
Find more pleasure in intelligent dissent than in passive agreement, for, if you value intelligence as you should, the former implies a deeper agreement than the latter.
"Every act of creation is first an act of destruction."
唯一受过教育的人是学会了如何学习和改变的人。
知识只有在分享时才有价值。