Ellicott's Commentary for English Readers - 1 Corinthians 10:31
(31) Whether therefore ye eat, or drink, or whatsoever ye do.—These words embrace all life. The definite acts of eating and drinking are mentioned expressly as they are the subject immediately under consideration. They are, however, to be regulated by the same principle which guides all true life. The modern idea of some acts being religious and some secular is neither here nor elsewhere recognised by St. Paul. No act of life is in itself either religious or secular. The quality of each act... read more
John Dummelow's Commentary on the Bible - 1 Corinthians 10:1-33
(b) Food offered to Idols(iii) Historical Illustrations and Practical AdviceSt. Paul has been speaking of the need of earnestness and self-discipline, and the danger of failure; he now holds out the fate of the Israelites as a warning against self-confidence. The Corinthians were tempted to the very same sins for which Israel suffered.All of the Israelites received great blessings from God, types of the sacramental privileges Christians enjoy, yet most of them perished in the wilderness because... read more