Albert Barnes' Notes on the Whole Bible - Romans 14:4
Who art thou ... - That is, who gave you this right to sit in judgment on others; compare Luke 12:14. There is reference here particularly to the “Jew,” who on account of his ancient privileges, and because he had the Law of God, would assume the prerogative of “judging” in the case, and insist on conformity to his own views; see Acts 15:0. The doctrine of this Epistle is uniformly, that the Jew had no such privilege, but that in regard to salvation he was on the same level with the... read more
The Pulpit Commentary - Romans 14:4
Who art thou that judgest another man's servant? (observe the emphatic position of σὺ ) to his own lord he standeth or falleth. Yea, he shall be made to stand: for the Lord (better supported than God, as in the Textus Receptus) is able (or, has power ) to make him stand . The standing or falling here spoken of may be taken to mean standing firm in, or falling from, a state of grace (cf. Romans 11:20 , Romans 11:22 ), rather than acceptance or rejection at the last... read more