Deuteronomy 19:3 in the King James Version
Thou shalt prepare thee a way, and divide the coasts of thy land, which the LORD thy God giveth thee to inherit, into three parts, that every slayer may flee thither.
Context
2 you shall set apart three cities for yourselves in the middle of your land, which the LORD your God gives you to possess.
3 You shall prepare the way, and divide the borders of your land which the LORD your God causes you to inherit into three parts, that every man slayer may flee there.
4 This is the case of the man slayer who shall flee there and live: Whoever kills his neighbor unintentionally, and didn’t hate him in time past—