1 John 3:14

We know that we have passed away from death to life, because we love the brethren. He who loves not his brother, abides in death.

1 John 5:2

By this we know that we love the children of God, when we love God, and keep his commandments.

1 Peter 1:22

Wherefore, having purified your souls by obeying the truth, through the Spirit, to unfeigned brotherly love, love one another, from a pure heart, fervently:

1 Peter 3:8

Finally, be all of one mind, sympathizing, lovers of the brethren, tender-hearted, courteous-

2 Peter 1:7

and to godliness, brotherly kindness; and to brotherly kindness, love:

1 John 2:3

And by this, we know that we have known him, if we keep his commandments.

1 John 2:9-11

He who says he is in the light and yet hates his brother, is in the darkness till now.

1 John 3:23

For this is his commandment, that we should believe on the name of his Son, Jesus Christ, and should love one another as he gave us commandment.

1 John 4:7-8

Beloved, let us love one another; for love is from God: and every one who loves, has been begotten by God, and knows God.

1 John 4:12

No one has seen God, at any time. If we love one another, God abides in us, and his love is made perfect in us.

1 John 4:20-21

If any one say, Indeed I love God, and yet hate his brother, he is a liar: for he who loves not his brother, whom he has seen, how can he love God, whom he has not seen?

1 John 5:13

These things I have written to you, that you may know that you have eternal life-that you may continue to believe on the name of the Son of God.

1 John 5:19-20

We know that we are of God, and that the whole world lies under the wicked one.

Treasury of Scripture Knowledge

Summary

We know that we have passed from death unto life, because we love the brethren. He that loveth not his brother abideth in death.

General references

Bible References

We know

1 John 2:3
And by this, we know that we have known him, if we keep his commandments.
1 John 5:2
By this we know that we love the children of God, when we love God, and keep his commandments.

Because

1 John 2:10
He who loves his brother, abides in the light, and there is no stumbling block to him.
1 John 3:23
For this is his commandment, that we should believe on the name of his Son, Jesus Christ, and should love one another as he gave us commandment.
1 John 4:7
Beloved, let us love one another; for love is from God: and every one who loves, has been begotten by God, and knows God.
1 John 5:2
By this we know that we love the children of God, when we love God, and keep his commandments.
1 Peter 1:22
Wherefore, having purified your souls by obeying the truth, through the Spirit, to unfeigned brotherly love, love one another, from a pure heart, fervently:
1 Peter 3:8
Finally, be all of one mind, sympathizing, lovers of the brethren, tender-hearted, courteous-
2 Peter 1:7
and to godliness, brotherly kindness; and to brotherly kindness, love:

General references

1 John 4:21
Moreover, this commandment we have from him, that he who loves God, loves his brother, also.