Therefore, if food makes my brother stumble, I will never eat meat, lest I make my brother stumble.
13. Wherefore if meat make my brother to offend With the view of reproving more severely their disdainful liberty, he declares, that we ought not merely to refrain from a single banquet rather than injure a brother, but ought to give up the eating of meats during our whole life. Nor does he merely prescribe what ought to be done, but declares that he would himself act in this way.
The apostle, having granted, and indeed confirmed, the opinion of some among the Corinthians, that idols were nothing, proceeds now to show them that their inference from this assumption was not just, namely, that therefore they might go into the idol-temple, and eat of the sacrifices, and feast there with their heathen neighbours.
Commenting on 1 Corinthians 8:7-13
Wherefore if meat make my brother to offend,.... This is the conclusion of the whole, which the apostle makes with respect to himself, and proposes for the imitation of others; that since an imprudent use of Christian liberty, in this article of eating things offered to idols, might be attended with such bad consequences, as to lay a stumblingblock in the way of weak Christians...