Deuteronomy 19:7-9

Young's Literal Translation

⁷ therefore I am commanding thee, saying, Three cities thou dost separate to thee.

⁸ `And if Jehovah thy God doth enlarge thy border, as He hath sworn to thy fathers, and hath given to thee all the land which He hath spoken to give to thy fathers --

⁹ when thou keepest all this command to do it, which I am commanding thee to-day, to love Jehovah thy God, and to walk in His ways all the days -- then thou hast added to thee yet three cities to these three;