1 John 2:5

2:5 But whoever obeys his word, truly in this person the love of God has been perfected. By this we know that we are in him.

1 John 3:14-16

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. 3:16 We have come to know love by this: that Jesus laid down his life for us; thus we ought to lay down our lives for our fellow Christians.

1 John 4:2

4:2 By this you know the Spirit of God: Every spirit that confesses Jesus as the Christ who has come in the flesh is from God,

1 John 4:13

4:13 By this we know that we reside in God and he in us: in that he has given us of his Spirit.

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.

1 John 5:18

5:18 We know that everyone fathered by God does not sin, but God protects the one he has fathered, and the evil one cannot touch him.