Albert Barnes' Notes on the Whole Bible - Romans 14:6
He that regardeth - Greek, “Thinketh of;” or pays attention to; that is, he that “observes” it as a festival, or as holy time.The day - Any of the days under discussion; the days that the Jews kept as religious occasions.Regardeth unto the Lord - Regards it as “holy,” or as set apart to the service of God. He believes that he is “required” by God to keep it, that is, that the laws of Moses in regard to such days are binding on him.He that regardeth not the day - Or who does not observe such... read more
The Pulpit Commentary - Romans 14:6
He that regardeth the day, regardeth it unto the Lord (omit, as ill-supported, as well as unnecessary, and he that regardeth not, etc .); he that eateth, eateth unto the Lord, for he giveth God thanks; and he that eateth not, to the Lord he eateth not, and giveth God thanks . Both parties are supposed to be equally desirous of serving God. The eater of whatsoever is set before him is so, as is shown by his thanking God for it—observe "for he giveth," etc.—and no creature of God can be... read more