1 John 4:21

1 John 4:21 Meaning and Explanation

And this commandment have we from him, That he who loveth God love his brother also.

King James Version (KJV)

This study note uses an AI-assisted editorial workflow with source, duplication, and quality checks. See how verse explanations are prepared.

Read this verse in context with translation switching:

Read Full Chapter →

Affection can feel like something that happens to us, arriving unbidden or refusing to arrive at all. Closing his argument, John names brotherly love as a commandment received, which places it among things we can obey. That single word changes how we pray about difficult relationships and how seriously we take our own reluctance.

Love for fellow believers arrives as a direct command from the Lord himself. Loving God and loving one's brother are bound together by his own charge, so the second belongs to anyone who claims the first.

The Context of 1 John 4:21

These words close chapter 4 and cap a section that began at verse 7 with the appeal, Beloved, let us love one another. Between those markers John has spoken of God sending his only begotten Son (verse 9), of the Spirit given to believers (verse 13), of the Father sending the Son as Saviour of the world (verse 14), and of confidence in the day of judgment (verse 17). The him of verse 21 refers back to the Lord whose love and command the letter has been describing. Chapter 5 opens by taking up the same theme with the children of God.

What Does 1 John 4:21 Mean?

Every phrase here is weighted. This commandment have we from him: the charge is received, held in common by the whole company John addresses, and traced to a person who issued it. The content follows in a clause that binds two loves into one obligation, That he who loveth God love his brother also. The word also refuses any arrangement in which the first love excuses us from the second. Notice the plural we alongside the singular he who loveth: the community holds the commandment together, while obedience lands on each individual member. Short as it is, the sentence functions as a settled rule for life among believers.

Commandment language runs through this letter, and it always sits close to love. Earlier John wrote of keeping his commandments as the mark of knowing him, and chapter 5 will say that the love of God consists in keeping his commandments, which are not grievous (5:3). Verse 21 gathers the chapter's teaching into that form. God's initiative comes first throughout: he loved us, sent his Son, gave his Spirit, and perfected his love in us. The commandment then calls for a real response from people who have received all that. Scripture regularly holds these together, giving grace and asking obedience in the same breath.

The him who gives the commandment is most naturally the Lord Jesus, whose sending the chapter has just described twice. On the night before his death he gave his disciples a new commandment in almost these terms, telling them to love one another as he had loved them (John 13:34). Paul later writes that love fulfills the law (Romans 13:10), and James calls the command to love one's neighbour the royal law (James 2:8). Verse 21 stands inside that stream. What Christ commanded he also supplied, since the love he showed in laying down his life becomes the measure and the source of the love asked here.

1 John 4:21 in the Original Language

entole (ἐντολή), 'commandment' -- a charge given by one with the right to give it, expecting compliance. The word covers standing instruction more than passing advice, so John presents brotherly love as an assignment believers carry, received from their Lord and answerable to him.

Where 1 John 4:21 Echoes in Scripture

John 15:12 preserves the words behind this sentence, where Jesus names his commandment as love among his followers measured by his own love for them. Set beside verse 21, the letter reads as an apostle passing on what he received directly. The same writer repeats the charge to a chosen lady in 2 John 1:5, calling it the commandment held from the beginning. Across Gospel and letters the wording stays remarkably stable, which suggests a fixed apostolic tradition carried carefully from its source.

How to Apply 1 John 4:21 Today

Treating this as a commandment reshapes the way we handle strained friendships inside a congregation. Obedience can start before feelings cooperate: showing up, speaking well, sharing what we have, refusing to rehearse an old injury. Families and workplaces give the same practice smaller and more frequent occasions. Since the charge came to a community, we can also ask it of ourselves together, checking whether our shared life leaves anyone quietly excluded. Where obedience has failed, confession and a fresh start are available, and the commandment stands ready to be taken up again tomorrow.

Reflection & Prayer

If brotherly love is an assignment given by the Lord, how is the assignment going this month, and who would notice if it improved? Prayer: Lord Jesus, you gave this commandment and kept it perfectly toward me. Teach my hands and my speech to obey it today, beginning with the person I have been avoiding. Give me your patience where mine runs out. Amen.

Related Verse Explanations

Keep Studying 1 John 4

Read the whole chapter in KJV, ASV, or WEB, or go deeper with the chapter study guide and key themes.