Every argument that love and wisdom, the great past and the miracles of the Exodus could suggest, was brought to bear on the hearts of the chosen people, fortifying them against the temptations to backsliding. They were bidden to ask from ancient history and from one end of heaven to another, if any such wonders had ever been known in the history of the nations. But it must be sorrowfully confessed that memory and wonder are not enough to permanently fortify the heart against the insidious entrance of evil. Only the Holy Spirit can do that, Rom 8:1-4; Gal 5:16.
So eager is the divine heart that none should perish but that all should come to repentance, that guide-posts to refuge are carefully multiplied. Here again their names and locations are specified, lest any should not have met with former notifications, Num 35:6; Num 35:14; 2Pe 3:9.