Ye know... that not one thing hath failed. — These words, as well as the similar statement in Joshua 21:43-45, show that though the conquest of Canaan by Joshua was in one way a limited conquest, yet it fully satisfied the hopes of Israel for the time: i.e., that they understood the Divine promises in that sense in which we see them to have been actually fulfilled.
Related Commentaries of Joshua 23:14
Joshua 23:14
14 And, behold, this day I am going the way of all the earth: and ye know in all your hearts and in all your souls, that not one thing hath failed of all the good things which the LORD your God spake concerning you; all are come to pass unto you, and not one thing hath failed thereof