1 John 2:19; 1 John 3:13; 1 John 4:1; 1 John 4:11; 1 John 5:9

1 John 2:19

19 They went out from us, but they were not really of us; for if they had been of us, they would have remained with us; but they went out, so that it would be shown that they all are not of us.

1 John 3:13

13 Do not be surprised, brethren, if the world hates you.

1 John 4:1

1 Beloved, do not believe every spirit, but test the spirits to see whether they are from God, because many false prophets have gone out into the world.

1 John 4:11

11 Beloved, if God so loved us, we also ought to love one another.

1 John 5:9

9 If we receive the testimony of men, the testimony of God is greater; for the testimony of God is this, that He has testified concerning His Son.