John Chrysostom

And Paul does not say, What? Have I not a right to be believed after so many signs? but he complied for their sakes. But when he returned from thence, the doctrine also became more exact. For if they at Jerusalem enjoin no such thing, much more these have no right to do so.

Homily on Acts 32 ↗

Theophylact of Ohrid

But Paul did not say: "Why is this? Am I not worthy of trust after having performed so many signs?" Rather, he decided to go to Jerusalem for their sake. How then does he say in the Epistle to the Galatians: "I did not go up to Jerusalem to those who were apostles before me" (1:17)? …

Commentary on Acts ↗

Oecumenius

How in the Epistle to the Galatians he says, "I did not go up to Jerusalem to those who were apostles before me, nor did I entrust the Gospel to them or preach it among the Gentiles"; (Gal. 1:16-17) and yet here he says that Paul and Barnabas were appointed to go up to Jerusalem to the apostles and elders? And we say that, first, he did not himself go up, but was sent by others. Secondly, that he did not arrive as one being instructed, but persuading others. …

Commentary on Acts ↗

Bede

They decided that Paul and Barnabas and some others from them should go up to the apostles and elders in Jerusalem, etc. About this ascension of his, Paul himself writes to the Galatians: Then, after fourteen years, I went up to Jerusalem with Barnabas, taking Titus along also, and I communicated to them the Gospel which I preach among the Gentiles (Galatians II); where the very number that he mentioned must be reckoned in years. …

Commentary on Acts ↗