Deuteronomy 30:15

Moses here concludes with a very bright light, and a very strong fire, that, if possible, what he had been preaching of might find entrance into the understanding and affections of this unthinking people. What could be said more moving, and more likely to make deep and lasting impressions? The manner of his treating with them is so rational, so prudent, so affectionate, and every way so apt to gain the point, that it abundantly shows him to be in earnest, and leaves them inexcusable in their disobedience. I. He states the case very fairly. He appeals to themselves concerning it whether he had not laid the matter as plainly as they could wish before them. 1. Every man covets to obtain life and good, and to escape death and evil, desires happiness and dreads misery. "Well," says he, "I have shown you the way to obtain all the happiness you can desire and to avoid all misery. Be obedient, and all shall be well, and nothing amiss.

— Matthew Henry's Concise Commentary (public domain)

DEATH AND LIFE ARE SET BEFORE THE ISRAELITES. (Deu 30:15-20) See, I have set before thee this day life and good, and death and evil--the alternative of a good and happy, or a disobedient and miserable life. Love of God and compliance with His will are the only ways of securing the blessings and avoiding the evils described. The choice was left to them, and in urging upon them the inducements to a wise choice, Moses warmed as he proceeded into a tone of solemn and impressive earnestness similar to that of Paul to the elders of Ephesus (Act 20:26-27). Next: Deuteronomy Chapter 31

— Jamieson-Fausset-Brown Commentary (public domain)