1996年欧锦赛，加斯科因轻巧地挑过苏格兰后卫，打入那个绝妙入球后，刚出道不久的黄健翔略带沙哑地高喊。

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。 

Rule of 7 in research. You can find out anything if you are willing to go seven levels. If the first source you ask doesn’t know， ask them who you should ask next， and so on down the line. If you are willing to go to the 7th source， you’ll almost always get your answer.