Hey, you know that book, the Bible? Well, this is 1 Thessalonians 1, which is basically Paul talking to the church in Thessalonica about how he's been preachin' the gospel. Apparently he's been saying some pretty wild stuff, like how Jesus died and rose again and stuff. He's thanking them for believing it, and seems to be encouraging them to keep it up. He's also telling them to keep on doin' good works, like helping the poor and whatnot. Basically, Paul's just telling the Thessalonians to keep on believin' and doin' good. Yup, that's it.