"St. Peter announced the glad tidings of the Gospel to the people on the day of Pentecost, and converted, by the first Christian sermon, ever preached, three thousand - which formed the primitive Church"

The quote by John Strachan highlights a critical minute in Christian history, emphasizing the pivotal role of St. Peter in the facility of the early Church. Strachan references the account of Pentecost, an event explained in the New Testament, particularly in the Book of Acts, where the Holy Spirit descended upon the apostles, allowing them to communicate the teachings of Jesus Christ to a varied audience collected in Jerusalem.

The "happy tidings of the Gospel" describes the core message of Christianity-- fortunately of Jesus Christ's life, death, and resurrection, and the deal of salvation to all. This message is central to Christian belief and practice and shows the fulfillment of Old Testament prophecies and the inauguration of a new covenant between God and mankind.

St. Peter, among Jesus' closest disciples, is depicted as handling a management role in distributing this message. On the day of Pentecost, according to the narrative, Peter delivered an effective sermon that moved the hearts of numerous listeners. Strachan's reference of "the first Christian sermon" highlights the significance of this event as the inaugural proclamation of the Christian Gospel following Jesus' resurrection and ascension.

The conversion of three thousand individuals as a result of Peter's preaching is presented as a testimony to the effectiveness and transformative power of the Gospel message. This mass conversion effectively marked the birth of the "primitive Church", signifying the beginning of the Christian community. This community was defined by shared beliefs, communal living, and a commitment to the teachings of Jesus Christ, setting a foundation for future development and expansion.

Strachan's reflections on this historical event underscore the importance of Pentecost as a cornerstone of Christian faith and custom, showing the quick spread and acceptance of Christianity in its nascent stages. The quote not just celebrates an essential episode in religious history however also speaks to the enduring tradition of Peter's management and the extensive impact of the Gospel on its first listeners.