The document discusses how to know if one is saved and discusses the authority of God's word on this matter. It cites several passages from the Bible, including John 3:36, 1 John 5:11-12, and John 1:12 to establish that whoever believes in Jesus Christ has eternal life. It concludes that if one truly believes in and has received Jesus as their savior and lord, surrendering to him as master, they can be absolutely sure that they are saved, have eternal life, and are a child of God.