(5.) They fetch their inducements from what had been done some time before in Moses's reign, the tidings whereof might easily be supposed ere this to have reached distant regions, the plagues of Egypt and the destruction of Sihon and Og (v. 9, 10), but prudently say nothing of the destruction of Jericho and Ai (though this was the true inducement, v. 3), because they will have it supposed that they came from home long before those conquests were made. We need not be long to seek for reasons why we should submit to the God of Israel; we may be furnished either with new or old, which we will.