The Apostle Paul
1 Corinthians 8:9BSB·traditional attribution

Be careful, however, that your freedom does not become a stumbling block to the weak.

John Calvin Reformed @genevareformer

9. Take heed that your liberty He leaves their liberty untouched, but moderates the use of it thus far — that it may not give occasion of stumbling to the weak. And he expressly desires that regard be had to the weak, that is, to those who are not, yet thoroughly confirmed in the doctrine of piety, for as they are wont to be regarded...

Matthew Henry Presbyterian @wholebiblehenry

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

John Gill Reformed Baptist @doctorgill

But take heed lest by any means,.... This is either a reply to the instance of such as argued in favour of eating things offered to idols; or a limitation and explanation of the apostle's own concession, that it made a man, with respect to the favour of God, neither better nor worse: yet care should be taken, lest this liberty of yours become a...