In the last days it will be, God declares, that I will pour out my Spirit upon all flesh, and your sons and your daughters shall prophesy, and your young men shall see visions, and your old men shall dream dreams. Even upon my slaves, both men and women, in those days I will pour out my Spirit; and they shall prophesy.
When Peter says these words, he’s quoting the prophet Joel… and he’s trying to give an explanation.
You see, the disciples are all together in one place when a sound like the rush of a violent wind comes from heaven and tongues of fire appear and those tongues rest on the disciples and they begin to speak in other languages.
And the people of Jerusalem gather around, hearing these Galileans speak of God’s power, each in their own language.
And some of the people are amazed. And some of the people think that the disciples are drunk… because, as we all know, when you’re drunk you can speak other languages.