123-John • Part 3

1 John 2:3-17 - The New Commandment

🎙️ Mike Slayden📅 February 4, 2024📖 1 John 2:3-17

🎙️Listen or watch the original teaching:

The New Commandment: The Evidence of Authentic Faith

The nature of authentic faith is a central theme in the Johannine epistles, particularly in the first letter of John. The author addresses a fundamental tension: the discrepancy between what an individual professes and what their life produces. Using the metaphor of fruit-bearing, the text posits that a tree’s identity is not determined by its label, but by its output. In the Christian life, the ultimate test of whether one is truly “in the light” is found in the manifestation of two specific fruits: a sincere love for God expressed through obedience and a sacrificial love for others.

The Epistemology of Obedience

John begins by establishing a criteria for spiritual certainty. He utilizes the Greek concept of ginosko, a term for knowledge that transcends mere intellectual or cognitive assent. Unlike oida, which refers to factual information, ginosko implies an experiential, relational, and intimate familiarity. This is the same language used in the Old Testament to describe the covenant relationship between Israel and God. For John, knowing God is not a static state of mind but a dynamic, lived reality.

1 John 2:3 (NASB)

By this we know that we have come to know Him, if we keep His commandments.

The evidence of this experiential knowledge is the keeping of God’s commandments. This is not to be confused with a works-based salvation; rather, external obedience is the marking of an internal reality. Just as the Holy Spirit produces fruit such as love, joy, and peace, the believer’s life should naturally align with the character of the Creator. When a person claims to possess an intimate knowledge of God yet remains indifferent to His commands, a theological and moral incongruence arises.

1 John 2:4 (NASB)

The one who says, ‘I have come to know Him,’ and does not keep His commandments, is a liar, and the truth is not in him;

The Dialectic of Light and Darkness

Throughout the text, John employs a polarizing, binary rhetoric common in biblical wisdom literature. There is no middle ground between walking in the light and walking in the darkness. This echoes the teaching of Christ, who spoke of sheep and goats, and the narrow and wide paths. John’s purpose is to confront the heresy that one can experience a “conversionless conversion”—a claim to faith that results in zero life change.

1 John 1:6 (NASB)

If we say that we have fellowship with Him and [yet] walk in the darkness, we lie and do not practice the truth;

The theological argument is clear: the Gospel is transformative. It makes a change at a specific point in time through justification, but it also produces a continuous work of sanctification. Paul echoes this sentiment by arguing that those who have died to sin cannot continue to live in it. To claim fellowship with God while habitually walking in darkness is to live a lie, for the light of God necessarily exposes and displaces the darkness of the old nature.

1 John 2:6 (NASB)

the one who says he abides in Him ought himself to walk in the same manner as He walked.

The Theology of Abiding

Central to John’s exhortation is the concept of “abiding” (meno). To abide is to sink deeply into Christ, to remain in Him, and to draw one’s life force from Him. This relational intimacy is what empowers the believer to walk as Christ walked. The goal is not a state of sinless perfection—as John previously noted that anyone claiming to be without sin deceives themselves—but rather a life that is being “perfected” or completed by the love of God. This perfection indicates that God’s love has permeated every area of the believer’s life, saturating their motives and actions.

1 John 2:5 (NASB)

but whoever keeps His word, in him the love of God has truly been perfected. By this we know that we are in Him:

For the believer struggling with insecurity, this theology provides profound comfort. The presence of a struggle against sin is, in itself, evidence of the Holy Spirit’s work. A dead soul does not wrestle with conviction; only a heart inhabited by the Spirit feels the tension between the flesh and the light. This internal conflict proves that the individual has been given a God-ward disposition.

1 John 4:13 (NASB)

By this we know that we abide in Him and He in us, because He has given us of His Spirit.

John transitions from the believer’s relationship with God to their relationship with the community. He introduces a commandment that is simultaneously old and new. It is old because the call to love one’s neighbor is rooted in the Torah, specifically Leviticus and Deuteronomy. However, it is new because Jesus Christ provided a new standard and quality for that love. The new commandment is to love others “even as I have loved you.”

John 13:34 (NASB)

’A new commandment I give to you, that you love one another, even as I have loved you, that you also love one another.

This Christ-like love is self-sacrificial and extends even to enemies. Therefore, hatred toward a brother serves as a definitive indicator of spiritual darkness. One cannot claim to be in the light while harboring malice, as the two are ontologically incompatible. Hatred acts as a blindfold, leaving the individual unable to navigate the spiritual life because the darkness has obscured their vision.

1 John 2:11 (NASB)

But the one who hates his brother is in the darkness and walks in the darkness, and does not know where he is going because the darkness has blinded his eyes.

Assurance Through the Finished Work

John concludes this section with a pastoral reassurance directed at various stages of spiritual maturity—children, fathers, and young men. He affirms that their sins are forgiven, not through their own effort, but for the sake of Christ’s name. This forgiveness is a completed, passive action; the believer is the recipient of a grace they did not earn.

1 John 2:12 (NASB)

I am writing to you, little children, because your sins have been forgiven you for His name’s sake.

Whether the believer is a “father” who has known God from the beginning or a “young man” who has overcome the evil one through the strength of the Word, the foundation remains the same: the finished work of Jesus Christ. The Word of God abides in them, providing the victory over the darkness. John’s ultimate aim is to provide assurance to the afflicted and a necessary awakening to the self-deceived.

1 John 2:13-14 (NASB)

I am writing to you, fathers, because you know Him who has been from the beginning. I am writing to you, young men, because you have overcome the evil one. I have written to you, children, because you know the Father. I have written to you, fathers, because you know Him who has been from the beginning. I have written to you, young men, because you are strong, and the word of God abides in you, and you have overcome the evil one.

The Christian life is thus defined by a trajectory toward the light. While the journey involves wrestling and occasional failure, the overall pattern of the life should bear witness to the reality of the indwelling Christ. By examining the fruit of obedience and the fruit of love, the believer finds the assurance that they truly belong to the one who is the propitiation for the sins of the world.