translation.en: And the reason that that was the model of beauty and of nature was because the decimal point had not been invented yet -- it wasn't the 16th century -- and everybody had to dimension a building in terms of fractions, so a room would be dimensioned as one-fourth of a facade; the structural dais of that might be dimensioned as 10 units, and you would get down to the small elements
translation.zh: 之所以用这一标准来衡量 美以及自然 是因为当时还没有发明小数点-- 直到十六世纪-- 人们丈量建筑时 不得不使用比例关系， 比如一个房间是 一个立面的四分之一； 如果结构基座是十个单位， 要得到更小的单元