" Peter, the biggest failure of them all, became the preacher that day. It was no homiletical masterpiece, to be sure. But people were deeply convicted—“cut to the heart,” according to Acts 2:37—by his anointed words. Three thousand were gathered into the church that day. Which church? Baptist? Presbyterian? Pentecostal? There were no such labels at that time—and in God’s view of things, there still aren’t. He ignores our categories. All he sees when he looks down is the body of Christ, made up of all born-again, blood-washed believers. The only subdivisions he sees are geographical—local churches. Other distinctions are immaterial. I "

― Jim Cymbala , Fresh Wind, Fresh Fire: What Happens When God's Spirit Invades the Heart of His People