Deuteronomy 4:1

This most lively and excellent discourse is so entire, and the particulars of it are so often repeated, that we must take it altogether in the exposition of it, and endeavour to digest it into proper heads, for we cannot divide it into paragraphs. I. In general, it is the use and application of the foregoing history; it comes in by way of inference from it: Now therefore harken, O Israel, Deu 4:1. This use we should make of the review of God's providences concerning us, we should by them be quickened and engaged to duty and obedience. The histories of the years of ancient times should in like manner be improved by us. II. The scope and drift of his discourse is to persuade them to keep close to God and to his service, and not to forsake him for any other god, nor in any instance to decline from their duty to him. Now observe what he says to them, with a great deal of divine rhetoric, both by way of exhortation and direction, and also by way of motive and argument to enforce his exhortations. 1. See here how he charges and commands them, and shows them what is good, and what the Lord requires of them. (1.) He demands their diligent attention to the word of God, and to the statutes and judgments that were taught them: Hearken, O Israel.

— Matthew Henry's Concise Commentary (public domain)