How do we know that love is essential in Christianity?

The importance of love in Christianity is fundamentally rooted in the character of God Himself, as expressed in 1 John 4:16, which states that 'God is love.' Love is not just an attribute of God; it is central to His very being. For Christians, embodying love signifies being transformed and regenerated by God. This grace of love is implanted in the soul at the moment of regeneration, allowing believers to truly reflect God's image and character. Therefore, love is not merely an addition to faith but an intrinsic part of what it means to live as a follower of Christ.