The Sabbath: The Word of God to be Preached On
Source: TTT
Acts 13:14, 15, 44
And from Perga, they traveled inland to Pisidian Antioch, where they entered the synagogue on the Sabbath and sat down. / After the reading from the Law and the Prophets, the synagogue leaders sent word to them: “Brothers, if you have a word of encouragement for the people, please speak.” / On the following Sabbath, nearly the whole city gathered to hear the word of the Lord.
Acts 17:2
As was his custom, Paul went into the synagogue, and on three Sabbaths he reasoned with them from the Scriptures,
Acts 18:4
Every Sabbath he reasoned in the synagogue, trying to persuade Jews and Greeks alike.