 It was promised to the apostles, and here we have the promise restated, and then we have the promise fulfilled. The promise is fulfilled. You have them receiving the Holy Spirit. And then you have a sermon that is recorded, though Peter stood up with the 11. By the way, again, that constitutes 12 again, so it's the apostles here that were doing the preaching, 12 apostles, not the 120 apostles.