Whosoever shall confess that Jesus is the Son of God, God dwelleth in him, and he in God.(1 John 4:15)

And we have known and believed the love that God hath to us. God is love; and he that dwelleth in love dwelleth in God, and God in him.(1 John 4:16)

Herein is our love made perfect, that we may have boldness in the day of judgment: because as he is, so are we in this world.(1 John 4:17)

There is no fear in love; but perfect love casteth out fear: because fear hath torment. He that feareth is not made perfect in love.

We love him, because he first loved us.(1 John 4:19)

If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?(1 John 4:20)

And this commandment have we from him, That he who loveth God love his brother also.(1 John 4:21)

Other publications related to "1 John 4:18":

A love until the end
A reflection on Gods love and the Christian life by Faustino de Jesús Zamora Vargas

His love
An article about how staying rooted in Christs love can help us experience spiritual fullness and express Gods love to others.

That you are in heaven
In That you are in heaven, Dr. Roberto Miranda discusses the importance of approaching God with reverence and awe, acknowledging His holiness and our duty to worship and obey Him.

loving to the end
Article about how Jesus loved his disciples until the end and the message of Gods unconditional love

1 John 4:18 - Cross Reference

That he would grant unto us, that we being delivered out of the hand of our enemies might serve him without fear, (Luke 1:74)

A dreadful sound is in his ears: in prosperity the destroyer shall come upon him. (Job 15:21)

For God hath not given us the spirit of fear; but of power, and of love, and of a sound mind. (2 Timothy 1:7)

For ye have not received the spirit of bondage again to fear; but ye have received the Spirit of adoption, whereby we cry, Abba, Father. (Romans 8:15)

No man hath seen God at any time. If we love one another, God dwelleth in us, and his love is perfected in us. (1 John 4:12)

Wherefore we receiving a kingdom which cannot be moved, let us have grace, whereby we may serve God acceptably with reverence and godly fear: (Hebrews 12:28)