Acts 9:2
went to the High Priest and begged from him letters addressed to the synagogues in Damascus, in order that if he found any believers there, either men or women, he might bring them in chains to Jerusalem.
Acts 18:25
He had been instructed by word of mouth in the way of the Lord, and, being full of burning zeal, he used to speak and teach accurately the facts about Jesus, though he knew of no baptism but John's.
Acts 19:9
But some grew obstinate in unbelief and spoke evil of the new faith before all the congregation. So Paul left them, and, taking with him those who were disciples, held discussions daily in Tyrannus's lecture-hall.
Acts 19:23
Now just at that time there arose no small commotion about the new faith.
Acts 24:14
But this I confess to you--that in the way which they style a heresy, I worship the God of our forefathers, believing everything that is taught in the Law or is written in the Prophets,