帮忙分析一下瓦尔登湖第一章的这长句,

帮忙分析一下瓦尔登湖第一章的这长句,
I,on my side,require of every writer,first or last,a simple and sincere account of his life,and not merely what he has heard of other men's lives; some such account as he would send to his kindred from a distant land;for if he has lived sincerely,it must have been in a distant land to me.