Matthew Henry on Ruth 4:13–end
Here is, I. Ruth a wife. Boaz took her, with the usual solemnities, to his house, and she became his wife (Rut 4:13), all the city, no doubt, congratulating the preferment of a virtuous woman, purely for her virtues. We have reason to think that Orpah, who returned from Naomi to her people and her gods, was never half so well preferred as Ruth was. He that forsakes all for Christ shall find more than all with him; it shall be recompensed a hundred-fold in this present time. Now Orpah wished she had gone with Naomi too; but she, like the other kinsman, stood in her own light. Boaz had prayed that this pious proselyte might receive a full reward of her courage and constancy from the God of Isr…
Read the whole note in the consoleJamieson-Fausset-Brown on Ruth 4:12
let thy house be like the house of Pharez--that is, as honorable and numerous as his. He was the ancestor of the Beth-lehem people, and his family one of the five from which the tribe of Judah sprang.
Adam Clarke on Ruth 4:13
So Boaz took Ruth - The law of Moses had prohibited the Moabites, even to the tenth generation, from entering into the congregation of the Lord; but this law, the Jews think, did not extend to women; and even if it had, Ruth's might be considered an exempt case, as she had been already incorporated into the family by marriage; and left her own country, people, and gods, to become a proselyte to the true God in the land of Israel.
John Gill on Ruth 4:15
And he shall be unto thee a restorer of thy life,.... Of the joys, pleasures, and comforts of it, which she had been deprived of through the death of her husband and her two sons, ever since which she had lived a sorrowful life; all the comfort she had was from her daughter-in-law, and now a grandchild being born to her of her would be a means of restoring comfort to her mourning sorrowful spirit, and give her pleasure in those years in which she did not expect any:
and a nourisher of thine old age; that would when grown up feed her, support her, and supply her with all necessaries of life, being heir to a large and rich estate:
for thy daughter in law which loveth thee; Ruth the wife of B…