Bibliotheca Sacra, Volume 95.
“Here the word used for ‘sick,’—quite different from the one used in the previous verse—would indicate that we have another distinct case of need. This word from κάμνω means primarily ‘to be weary, tired, exhausted, or worn out.’” (Page 198)
“This argument is based on the use and absence of the definite article which is invariably found in the Hebrew for the Angel of the Lord and yet is omitted from the Greek, implying that ‘an Angel of the Lord’ in the New Testament is not the same person as ‘The Angel of the Lord,’ of the Old Testament.” (Page 376)
“In grace the requirements are never to be met in the sense of paying a debt or an already due obligation. The standard of the requirements in the law was the whole Mosaic legal system; in grace the standard is no less than a walk worthy of and in conformity with the high, holy, and glorious calling of sons of God in Christ Jesus.” (Page 175)
“Many there are who are literally exhausted, both mentally and physically. And again prayer is specified as the means of relief, but this time we have the added words ‘of faith,’ something that the apostle has been emphasizing right along in this epistle.” (Pages 198–199)
“all of the appearances of the Angel of Jehovah are the appearances to man of God Himself.” (Pages 373–374)