1 John 5:12-13

5:12 The one who has the Son has this eternal life; the one who does not have the Son of God does not have this eternal life.

Assurance of Eternal Life

5:13 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.

1 John 5:15

5:15 And if we know that he hears us in regard to whatever we ask, then we know that we have the requests that we have asked from him.