Luke
Acts 14:3ESV·traditional attribution

So they remained for a long time, speaking boldly for the Lord, who bore witness to the word of his grace, granting signs and wonders to be done by their hands.

John Calvin Reformed @genevareformer

3. A long time. Luke declareth here, that Paul and Barnabas did not depart the city so soon as they saw some set against them, for when he saith that they behaved themselves boldly, he giveth us an inkling “Innnib,” he intimates. that there was cause of fear offered them.

Matthew Henry Presbyterian @wholebiblehenry

In these verses we have, I. The preaching of the gospel in Iconium, whither the apostles were forced to retire from Antioch. As the blood of the martyrs has been the seed of the church, so the banishment of the confessors has helped to scatter that seed. Observe, 1.

Commenting on Acts 14:1-7

John Gill Reformed Baptist @doctorgill

Long time therefore abode they,.... At Iconium, undaunted and not discouraged, at the treatment they met with: but continued, speaking boldly in the Lord; using great freedom of speech, and showing great courage and intrepidity of mind; speaking out, without fear, the doctrines of the Gospel, in the name of the Lord, and depending upon strength, assistance, and support, from him: which gave testimony unto...