Great crowds of people joined together in accepting Philip's message when they heard and saw the [miraculous] signs he was able to perform.

Now when the synagogue service was over, many of the Jews and devoted proselytes [i.e., converts to the Jewish religion] followed Paul and Barnabas, who urged them to continue accepting the unearned favor of God.

And when the Gentiles heard this they were glad and gave honor to the message of God [i.e., they accepted it as true]. And all those who were appointed [by God] to receive never ending life [through faith and obedience] became believers.

and they are teaching people to observe customs which we Romans are not permitted to accept or practice."

For the Sadducees believe there is no resurrection, angels or spirits, but the Pharisees accept all of them [to be true].