凡是圣人制造的这些东西,无一不是有益于实用才去做的,所以使用财物不浪费,民众能够不劳苦,他兴起的利益太多了。
创新是区分领导者和追随者的关键。
The past is a foreign country; they do things differently there.
科学真正的回报在于知道你的工作可以拯救生命。
The art of teaching is not to impart knowledge, but to inspire, awaken, and encourage.