1 John 3:14-15

3:14 We know that we have crossed over from death to life because we love our fellow Christians. The one who does not love remains in death. 3:15 Everyone who hates his fellow Christian is a murderer, and you know that no murderer has eternal life residing in him.

1 John 5:11

5:11 And this is the testimony: God has given us eternal life, and this life is in his Son.

1 John 5:13

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.