1 John 5:13

¹³ These things
I have written
to you who believe
in the name of the Son of God,
so that you may know that you have eternal life.
– 1 John 5:verse 13

– 1 John 5: selected verses in context

verse 1:
“Whoever believes that Jesus is the ^[a]Christ is ^[b]born of God, and whoever loves the ^[c]Father loves the child ^[d]born of Him.

verse 5:
“Who is the one who overcomes the world, but he who believes that Jesus is the Son of God?

verses 11-12:
“God has given us eternal life, and this life is in His Son. ¹² He who has the Son has the life; he who does not have the Son of God does not have the life.

verse 13:
“These things I have written to you who believe in the name of the Son of God, so that you may know that you have eternal life.

verses 18-20
¹⁸ We know that no one who is born of God sins ^{[editor note: “practices sin”]}; but He who was born of God keeps him, and the evil one does not touch him. ¹⁹ We know that we are of God, and that the whole world lies in the power of the evil one. ²⁰ And we know that the Son of God has come, and has given us understanding so that we may know Him who is true; and we are in Him who is true, in His Son Jesus Christ. This is the true God and eternal life.