have. written. I wrote.
unto. to.
that believe, &c. This clause is omitted by all the texts and by the Syriac.
know. App-132.
and... may. The texts read "even unto you that".
Related Commentaries of 1 John 5:13
1 John 5:13
13 These things have I written unto you that believe on the name of the Son of God; that ye may know that ye have eternal life, and that ye may believe on the name of the Son of God.