Acts 14:3

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 .

So Paul and Barnabas spent considerable time there, speaking boldly for the Lord, who confirmed the message of his grace by enabling them to perform signs and wonders.

Long time therefore abode they speaking boldly in the Lord, which gave testimony unto the word of his grace, and granted signs and wonders to be done by their hands.