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And hereby we do know that we know him, if we keep his commandments.
1 John 2:3 · King James Version
Parallel translations
  • WEB This is how we know that we know him: if we keep his commandments.
  • BSB By this we can be sure that we have come to know Him: if we keep His commandments.
  • NKJV Now by this we know that we know Him, if we keep His commandments.
  • NASB By this we know that we have come to know Him, if we keep His commandments.
  • NLT And we can be sure that we know him if we obey his commandments.

Scripture taken from the New King James Version®. Copyright © 1982 by Thomas Nelson. Used by permission. All rights reserved.

Scripture quotations taken from the (NASB®) New American Standard Bible®, Copyright © 1960, 1971, 1977, 1995, 2020 by The Lockman Foundation. Used by permission. All rights reserved. lockman.org

Scripture quotations are taken from the Holy Bible, New Living Translation, copyright © 1996, 2004, 2015 by Tyndale House Foundation. Used by permission of Tyndale House Publishers, Carol Stream, Illinois 60188. All rights reserved.

Quick answer

We can know that we truly know God by whether we keep his commandments. Obedience is the evidence of genuine relationship with him.

Overview

John offers a test of assurance: real knowledge of God produces obedience. This is not earning salvation but the natural fruit of knowing him. Throughout the letter, keeping his commandments marks the difference between true faith and empty claims, giving believers a basis for confidence.

Cross-references & the web

Cross-references · 20

  • John 14:15If ye love me, keep my commandments.
  • John 15:10If ye keep my commandments, ye shall abide in my love; even as I have kept my Father’s commandments, and abide in his love.
  • 1 Jn 5:3For this is the love of God, that we keep his commandments: and his commandments are not grievous.
  • Luke 6:46And why call ye me, Lord, Lord, and do not the things which I say?
  • 1 Jn 4:13Hereby know we that we dwell in him, and he in us, because he hath given us of his Spirit.
  • John 15:14Ye are my friends, if ye do whatsoever I command you.
  • Heb 5:9And being made perfect, he became the author of eternal salvation unto all them that obey him;
  • 1 Jn 3:22–24And whatsoever we ask, we receive of him, because we keep his commandments, and do those things that are pleasing in his sight.
  • Ps 119:32I will run the way of thy commandments, when thou shalt enlarge my heart.
  • John 14:21–24He that hath my commandments, and keepeth them, he it is that loveth me: and he that loveth me shall be loved of my Father, and I will love him, and will manifest myself to him.
  • 1 Jn 2:4–6He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.
  • 1 Jn 3:19And hereby we know that we are of the truth, and shall assure our hearts before him.
  • John 17:3And this is life eternal, that they might know thee the only true God, and Jesus Christ, whom thou hast sent.
  • 1 Th 4:1–2Furthermore then we beseech you, brethren, and exhort you by the Lord Jesus, that as ye have received of us how ye ought to walk and to please God, so ye would abound more and more.
  • 1 Jn 3:14We know that we have passed from death unto life, because we love the brethren. He that loveth not his brother abideth in death.
  • 1 Jn 5:19And we know that we are of God, and the whole world lieth in wickedness.
  • 2 Cor 4:6For God, who commanded the light to shine out of darkness, hath shined in our hearts, to give the light of the knowledge of the glory of God in the face of Jesus Christ.
  • Ps 119:6Then shall I not be ashamed, when I have respect unto all thy commandments.
  • Rev 22:14Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.
  • Isa 53:11He shall see of the travail of his soul, and shall be satisfied: by his knowledge shall my righteous servant justify many; for he shall bear their iniquities.

Themes, concepts, people & topics

Topics (2)

Resources, by level

Commentaries & study tools

  • VideoBibleProject — 1 John videosBibleProject · Lay · Free · evangelical

    Free animated overview and word-study videos for this book.

  • VideoWatch teaching on 1 John 2:3YouTube · Lay · Free

    Sermons and teaching on this passage from across YouTube.

  • CommentaryEnduring Word — verse-by-verseDavid Guzik · Lay · Free · evangelical

    Clear, readable, conservative exposition — the best free place to start on any passage.

  • CommentaryClassic commentaries for this verseBibleHub (20+ works) · Pastoral · Free

    Matthew Henry, Barnes, Gill, the Pulpit Commentary, Ellicott, Cambridge, and more — stacked on one page for this exact verse.

  • CommentaryMatthew Henry on 1 JohnMatthew Henry · Pastoral · Free · evangelical

    The beloved Puritan exposition of this whole book — warm, devotional, and verse by verse (free, CCEL).

  • ReferenceInterlinear, lexicon & Strong'sBlue Letter Bible · Seminary · Free

    Hebrew/Greek interlinear, word definitions, and cross-references for this verse.

Christ at the center

Jesus is the Word of life made manifest, the propitiation for our sins, the Son in whom is eternal life — 'that you may know that you have eternal life.'

How 1 John 2:3 points to him is part of the one story that runs through all Scripture — meet Jesus at the heart of the web, or follow a trail that traces him from Genesis to Revelation.

Original language

Each word below is tagged with its Strong’s number — tap one to see the underlying Greek word, its meaning, and every verse that uses it.