Wherefore I command thee, saying, thou shalt separate three cities for thee. This was to be done immediately, as soon as they were settled in the land of Canaan, and established in the possession of it, the inhabitants being cut off, or driven out, or however subdued.
Related Commentaries of Deuteronomy 19:7
Deuteronomy 19:7
7 Wherefore I command thee, saying, Thou shalt separate three cities for thee.