Be strong and of good courage; for you shall cause this people to inherit the land which I swore to their fathers to give them.
Many, while possessed of right intention, sometimes imagine themselves to be wiser than they ought, and hence either overlook many things through carelessness, or mix up their own counsels with the divine commands. The general prohibition, therefore, contained in the Law, forbidding all men to add to it or detract from it, God now specially enforces on Joshua. For if private individuals in forming their plan of life behoove to submit themselves to God, much more necessary must this be for those who hold rule among the people. But if this great man needed this curb of modesty that he might not overstep his limits, how intolerable the audacity if we, who fall so far short of him, arrogate to ourselves greater license? More especially, however, did God prescribe the rule of his servant, in order that those who excel in honor might know that they are as much bound to obey it as the meanest of the people. 