《徐霞客游记·溯江纪源 & 江源考》
他们的说法不一致，都说是在昆仑山的北面，估计那地方，距眠山西北一万多里，为什么长江的源头短而黄河的源头长呢？
其言不一，皆云在昆仑之北，计其地，去岷山西北万余里，何江源短而河源长也？
Their statements were not consistent, they all claimed that it was north of Kunlun Mountain. According to my guess, that place is more than 10,000 li away from Mian Mountain, then why is the source of the Yangtze River short and that of the Yellow River long?