Peter is directly challenging the crowd's assumptions. How does he do it so effectively, using a familiar figure like David?
Peter begins by addressing the crowd as 'brothers,' a gesture of reconciliation even after they'd accused him and the apostles of being drunk. This sets a tone of genuine dialogue.
Strategic Honesty
He then says, 'I may say to you with confidence about the patriarch David...' The phrase 'I may say' (or 'it is lawful for me to say') signals that he's about to state something factual and undeniable. He's not making assumptions; he's stating widely accepted truths.
The Undeniable Fact of Death
Peter’s point is simple but powerful: David, the revered 'patriarch' (a term highlighting his foundational role in the royal line), died and was buried. His tomb was a known, tangible place. This isn't a theological debate; it's a statement of historical reality that everyone present would agree with.