This book of the law shall not depart out of your mouth, but you shall meditate thereon day and night, that you may observe to do according to all that is written therein: for then you shall make your way prosperous, and then you shall have good success.
In the end of the verse, because the term used is ambiguous, as I have already observed, the sentence is repeated, or a second promise is added. The latter is the view I take. For it was most suitable, that after the promised success, Joshua should be reminded that men never act skillfully and regularly except in so far as they allow themselves to be ruled by the word of God. Accordingly, the prudence which believers learn from the word of God, is opposed to the confidence of those who deem their own sense sufficient to guide them aright. (23) 