 He says, I write these things to you who believe in the name of the Son of God. He's talking about those of us that believe in Jesus. So that you may what? Know that you have eternal life. We don't have to go through life hoping so, thinking so, or living on a maybe so salvation. We can know so that we're saved. How do we know? Go back to verse 12. What did he say? He who has the Son has life.