The Apostle Paul
Romans 15:2ESV·traditional attribution

Let each of us please his neighbor for his good, to build him up.

John Calvin Reformed @genevareformer

2. Let indeed The γὰρ in this verse is considered by Griesbach as wholly spurious; and Beza has left it out. — Ed. every one of us, etc. He teaches us here, that we are under obligations to others, and that it is therefore our duty to please and to serve them, and that there is no exception in which we ought not to accommodate...

Matthew Henry Presbyterian @wholebiblehenry

The apostle here lays down two precepts, with reasons to enforce them, showing the duty of the strong Christian to consider and condescend to the weakest. I. We must bear the infirmities of the weak, Rom 15:1. We all have our infirmities; but the weak are more subject to them than others - the weak in knowledge or grace, the bruised reed and the smoking flax.

Commenting on Romans 15:1-4

John Gill Reformed Baptist @doctorgill

For even Christ pleased not himself,.... He sought not his own ease, pleasure, profit, honour, and glory, but to do his Father's will and work, Joh 4:34; and he always did the things which pleased him, in his obedience, sufferings, and death; and sought not his own, but his glory: moreover, what he did and suffered were not for himself, but for us; he became...