《后汉书·列传·东夷列传》
他们的习俗是看重山，对山各自划有地域边界，相互不得妄白干涉。
其俗重山川，山川各有部界，不得妄相干涉。
Their custom is to attach importance to mountains, and they draw territorial boundaries for mountains and should not interfere with each other.