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 2:5
But whoever keeps his word, truly in this man the love of God is perfected. By this we know that we are in him.
1 John 4:20
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 3:24
Now he who keeps His commandments, abides in him, and He in him; and by this we know that he abides in us, even by the Spirit, which he has given us.
1 John 4:6
We are of God: he who know God, hearkens to us; he who is not of God, hearkens not to us. By this we know the spirit of truth, and the spirit of error.
1 John 4:17-18
By this, the love has been perfected in us, that we may have boldness in the day of judgment; because as he is, so are we in this world.