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The art of progress is to preserve order amid change and to preserve change amid order.
The art of doing mathematics consists in finding that special case which contains all the germs of generality.
可持续性不仅仅是一种趋势,而是负责任商业的基础。
当我们和他人交谈时,要特别留意,因为这时正是人家对我们“评价”的时候。