Then shalt thou prosper] This is the onely course of procuttng good successe: see 1 Kings 2. 3.
be strong, and of good courage] These two words imply a setled and undaunted resolution, very requisite for undertaking and going thorow with a weighty work. See Joshua 1:7.
dread not, &c.] These are contrary to the two former great hinderances to worthy atchievements, Deuteronomy 20:8.