Berean Standard Bible (BSB)
I have written these things to you who believe in the name of the Son of God, so that you may know that you have eternal life.
World English Bible (WEB)
These things I have written to you who believe in the name of the Son of God, that you may know that you have eternal life, and that you may continue to believe in the name of the Son of God.
Strong's King James
These things{G5023} have I written{G1125}{(G5656)} unto you{G5213} that believe{G4100}{(G5723)} on{G1519} the name{G3686} of the Son{G5207} of God{G2316}; that{G2443} ye may know{G1492}{(G5762)} that ye{G3754} have{G2192}{(G5719)} eternal{G166} life{G2222}, and{G2532} that{G2443} ye may believe{G4100}{(G5725)} on{G1519} the name{G3686} of the Son{G5207} of God{G2316}.
The F.O.G *
These things I have written to you all so that you may know that you have an ageless life (zoe), all of you who continue to believe in the Name of Elohim’s Son.
The F.O.G Message *
I have written these things to you all so that you may know that you have eternal life. Rest assured, anyone who continues to trust in the Name of Yahweh’s Son will live.
Young's Literal Translation
These things I did write to you who are believing in the name of the Son of God, that ye may know that life ye have age-during, and that ye may believe in the name of the Son of God.