The answer is: Psalm 2

Acts 13:33 - Paul's quotation from Psalm 2 highlights Jesus as God's anointed king. This psalm underscores the sovereignty of God and the futility of earthly rulers opposing divine plans. The New Testament frequently links Christ to psalmic prophecy, echoing themes of authority and kingship found in Isaiah and Revelation as well.

Psalm 2 is a fascinating piece and serves as a powerful proclamation of God’s ultimate authority over earthly powers. When Paul strides into Antioch and passionately quotes this psalm, he doesn't just toss out a religious reference; he positions Jesus right at the heart of God's grand kingdom plan.

What’s particularly interesting about Psalm 2 is its vigorous two-part motion: it begins with nations conspiring and rulers assembling against the Lord and His anointed, but this plot rapidly unravels in light of divine sovereignty. Ever dynamic, this psalm is considered a royal psalm, often associated with the coronation of kings in ancient Israel, bolstering the idea that, jazz hands or not, God is firmly in control.

Moreover, the echoes of Psalm 2 reverberate through the New Testament, showing how its themes resonate throughout. Revelation 19 concludes with an imposing image of Christ, the reigning King, reflecting the prophetic intensity laid down in this very psalm. As Isaiah also highlights royalty, glorifying the future Son of God, this creates a complex layering of ideas on kingship that weaves through scriptures.

This isn’t just a static text from long ago; it engages our thinking today by calling forth the significance of recognizing support among worldly struggles, reminding us that with faith, every seeming adversity can bring us back to divine order. The majestic promise of God reminds us that real power transcends the fleeting schemes of any human leader!