Scripture: Mark 8:22-36; John 4:3-34; Acts 8:26-38

Leading Question: Who is the Holy Spirit?

In the early centuries of the Christian era, Christians struggled mightily to understand and define the three members of the Godhead. Its main outlines were established by the Council of Nicaea (325) and Council of Constantinople (381). But to this day, the understanding of the Trinity, especially the role of the Holy Spirit, continues to be the subject of lively debate.

The complexity of the doctrine is such that this quip by the English minister, Robert South (1634-1716), seems to have some merit: “Just as denying this fundamental Christian ...