"But these are written that you may believe that Jesus is the Messiah, the Son of God, and that by believing you may have life in his name."
John 20:31 (NIV)

"The revelation from Jesus Christ, which God gave him to show his servants what must soon take place."
Revelation 1:1 (NIV)

"I have written this to you who believe in the name of the Son of God, so that you may know you have eternal life."
1 John 5:13 (NLT)

"We proclaim to you the one who existed from the beginning, whom we have heard and seen. We saw him with our own eyes and touched him with our own hands. He is the Word of life. This one who is life itself was revealed to us, and we have seen him. And now we testify and proclaim to you that he is the one who is eternal life. He was with the Father, and then he was revealed to us."
1 John 1:1-2 (NLT)

"We proclaim to you what we ourselves have actually seen and heard so that you may have fellowship with us. And our fellowship is with the Father and with his Son, Jesus Christ. We are writing these things so that you may fully share our joy."
1 John 1:3-4 (NLT)