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1Now when they had passed through Amphipolis and Apollonia, they came to Thessalonica, where there was a synagogue of the Jews. 2Paul, as was his custom, went in to them, and for three Sabbath days reasoned with them from the Scriptures, 3explaining and demonstrating that the Christ had to suffer, and to rise again from the dead, and saying, "This Jesus, whom I proclaim to you, is the Christ."
Acts 17:1-3 (WEB)