en_tn_lite_do_not_use/1jn/05/11.md

And the witness is this

"This is what God says"

life

Here "life" stands for the right to live forever by God's grace and love. See how you translated this in 1 John 1:1. (See: rc://en/ta/man/translate/figs-abstractnouns)

this life is in his Son

"this life is through his Son" or "we will live forever if we are joined with his Son" or "we will live forever if we are united with his Son"

Son

This is an important title for Jesus, the Son of God. (See: rc://en/ta/man/translate/guidelines-sonofgodprinciples)