“And he shall dwell in that city, until he stand before the congregation for judgment, and until the death of the high priest that shall be in those days: then shall the slayer return, and come unto his own city, and unto his own house, unto the city from whence he fled.”
King James Version (KJV)
Matthew Henry's Concise Commentary
20:1-6 When the Israelites were settled in their promised inheritance, they were reminded to set apart the cities of refuge, whose use and typical meaning have been explained, Nu 35; De 19. God's spiritual Israel have, and shall have in Christ and heaven, not only rest to repose in, but refuge to secure themselves in. These cities were designed to typify the relief which the gospel provides for penitent sinners, and their protection from the curse of the law and the wrath of God, in our Lord Jesus, to whom believers flee for refuge, Heb 6:18.
“But this is that which was spoken by the prophet Joel;”