Acts 17:2 KJV

And Paul, as his manner was, went in unto them, and three sabbath days reasoned with them out of the scriptures,
Acts 17:2, King James Version

In context

1 Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where was a synagogue of the Jews:

2 And Paul, as his manner was, went in unto them, and three sabbath days reasoned with them out of the scriptures,

3 Opening and alleging, that Christ must needs have suffered, and risen again from the dead; and that this Jesus, whom I preach unto you, is Christ.