2 witnesses
“Life. The observance of which will insure life both now and for ever, Romans x. 5. This was the peculiar privilege of Israel, (Calmet) though the natural law had the same effect, and God had left none without sufficient light. (Haydock) — The law was for a trial of obedience, Genesis ii. (Worthington)”
“And the law of life. The natural law, which he gave to every man, that he might be subject to his creator and might guard within himself the honorableness of good works. Or, the law of the letter, which he willed to be written for the correction of morals and the restoration of the natural law; for this is what the natural and the literal law implies, that we love God with the whole heart, the whole soul, the whole strength: and that we keep his commandments in the love of God and of neighbor.”
The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.