Sermon Outline:

Big Idea: God's unyielding holiness and righteousness shine forth in the final judgments, compelling all creation to stand in awe and worship.

1. The last judgment (1-2).
2. His righteous deeds (3-4).
3. Awaiting the sanctuary (5-8).

Bible Fellowship Group Study Questions:

1. According to Revelation 15:1, what significance is attached to the seven angels with seven plagues being described as "the last"? How does this relate to the concept of God's wrath?
2. In verses 2-4, who are the individuals standing beside the sea of glass, and what are they doing? How do their actions and words reflect the theme of victory and redemption?
3. The song in Revelation 15:3-4 praises God's deeds, ways, holiness, and the universal worship of Him. How can we apply this praise to our daily lives as Christians, and what does it reveal about our understanding of God?
4. In verse 5, the "sanctuary of the tent of witness in heaven" is mentioned. What does this sanctuary symbolize, and why is its opening significant in this context?
5. Revelation 15:8 describes the sanctuary being filled with smoke from the glory of God and His power. What might this imagery symbolize, and how does it emphasize the holiness and power of God?

Optional Questions

1. How can the concept of God's righteous judgment, as depicted in Revelation 15, shape our perspective on the world and our role as believers in sharing the Gospel?
2. In the sermon, it was mentioned that God's holiness shines forth in judgment. How can we reconcile this attribute of God with His love and grace, especially in the context of salvation through Christ?
3. The sermon encourages studying and knowing God's character and attributes. What practical steps can we take to deepen our understanding of who God is, and why is this essential for our faith journey?