Upon their return from exile and the subsequent rebuilding of the temple, it became common to conduct specific elements of worship, including private devotion, not only in the temple but also in other locations, particularly when traveling to Jerusalem was challenging. Historically, even during earlier periods, praises were rendered to God in the prophetic schools, where anyone wishing to join in could participate on the Sabbaths and feast days (1 Sam. 10:5, 11; 4 Sam. 4:23). Festivities were also celebrated in private homes, but it became increasingly evident that there was a need for designated venues for both private and public gatherings of worship.
By the time of Christ's birth, synagogues had proliferated wherever Jewish communities were established, extending beyond Palestine to regions like Syria, Asia Minor, and Greek cities. In larger urban areas, multiple synagogues existed, with some Palestinian cities housing tens or even hundreds of them, such as Jerusalem. The faithful typically convened in synagogues on Saturdays and festivals, and later on the second and fifth days of the week as well. During these gatherings, readings from the Law, specifically the Pentateuch, and the Prophets took place, followed by explanations and communal prayers. The readings were structured so all portions were addressed throughout the year, with the explanation (midrash) delivered by members of the synagogue or any willing participant (Luke 4:16).
The layout of an average synagogue was straightforward: a rectangular room containing a podium for the reading of Scripture, which was stored in an ark, along with seating primarily for men, with separate accommodations for women. The podium was often adorned with branches and flowers. During the reading, the reader would stand, while those offering elucidations would take their seats. Among the synagogue's officials, the sacred texts refer to positions such as the ruler of the synagogue (Mark 5:22, 25, etc.) and the attendant, possibly referred to as hazzan, who had the responsibility of reading (Luke 4:20). Throughout His early ministry, Jesus, along with His apostles, frequently proclaimed their messages within the synagogues.
The Gospel of the Kingdom signifies the proclamation of the Messiah's reign, detailing the nature of His kingdom, the call for repentance, and the prerequisites for entering this divine realm. Healing, in this context, refers to miraculous acts of restoration.