1 John 4:7

Love, as well as faith (i.e., acknowledging the true doctrine of Christ, 1 John 4:1-6), is a product of God’s Spirit. The believer (one "born of God") who also "knows" God (i.e., has intimate fellowship with Him) loves (cf. 1 John 2:3-5).

"The love which the New Testament enjoins involves a consuming passion for the well-being of others, and this love has its wellspring in God." [Note: Bruce, p. 107.]

This verse is a concise summary of the argument of this whole epistle.