Deuteronomy 19:3-5

Amplified Bible, Classic Edition

³ You shall prepare the road and divide into three parts the territory of your land which the Lord your God gives you to possess, so that any manslayer can flee to them.

⁴ And this is the case of the slayer who shall flee there in order that he may live. Whoever kills his neighbor unintentionally, for whom he had no enmity in time past—

⁵ As when a man goes into the wood with his neighbor to hew wood, and his hand strikes with the ax to cut down the tree, and the head slips off the handle and lights on his neighbor and kills him—he may flee to one of those cities and live;