1 John 4:9
By this the love of God was manifested to us, that God sent forth his Son, the only begotten, into the world, that we might live through him.
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
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 5:20
Moreover, we know that the Son of God has come, and has given us understanding, that we might know him that is true; and we are in him that is true-in his Son Jesus Christ. This is the true God, and the eternal life.