Pentecost plays a crucial role in salvation history. Yet there are many communities that claim to be Gospel oriented who do not celebrate Pentecost. In order to bring God’s people into a full experience of the Good News, an emphasis on Pentecost is necessary. Broadly speaking, Pentecost brings understanding to the followers of Jesus, empowers them in ministry, establishes the church, and points to the end of history when the kingdom of Christ will be established over all the earth.
-Robert Webber, Ancient-Future Time: Forming Spirituality through the Christian Year (Grand Rapids: Baker Books, 2004), 161.