This charge I commit to you, my child Timothy, according to the prophecies which led the way to you, that by them you may wage the good warfare;
That thou by them mayest war a good warfare. By this he means that Timothy, relying on such approbation of God, ought to fight more courageously. What is there that either ought to give, or can give us greater cheerfulness than to know that God has appointed us to do what we are doing? These are our arms, these are our weapons of defense, by the aid of which we shall never fail. 