Love is not enough. It has to be tended, like a fire.
爱是不够的,它需要被照料,像火一样。
古代学者在内心涵养上下功夫,所以表现在外表上便是德高望重的标志;今天的学者在外表上下功夫,对于内心涵养,则显出实际德行的缺陷。
Innovation in mining technology is essential to meet the world's energy demands.