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;

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;"

— 1 John 2:4, NASB

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1 John 2:4 in Other Translations

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1 John 2 — Context

1

My little children, I am writing these things to you so that you may not sin. And if anyone sins, we have an Advocate with the Father, Jesus Christ the righteous;

2

and He Himself is the propitiation for our sins; and not for ours only, but also for those of the whole world.

3

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

4

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;

5

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

6

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

7

Beloved, I am not writing a new commandment to you, but an old commandment which you have had from the beginning; the old commandment is the word which you have heard.

1 John 2:4 — Frequently Asked Questions

7 questions
What does 1 John 2:4 say?
1 John 2:4 in the NASB reads: “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;”
Where is 1 John 2:4 in the Bible?
1 John 2:4 is found in the New Testament, in the book of 1 John, chapter 2, verse 4.
Who wrote 1 John?
1 John is traditionally attributed to John the Apostle. It was written c. AD 85–95.
What is the book of 1 John about?
John writes to help believers know they have eternal life. Three tests run through the letter: do you walk in the light, love one another, and confess that Jesus is the Christ come in the flesh? Where these are present, assurance follows.
What are the major themes of 1 John?
1 John explores themes including Assurance, Love, Light, Truth vs. Error, Eternal Life. These themes shape the meaning and context of 1 John 2:4.
What translation should I read 1 John 2:4 in?
1 John 2:4 is available on GodsGoodBook in the King James Version (KJV), American Standard Version (ASV), World English Bible (WEB), NET Bible, Young's Literal Translation, Darby Bible, Douay-Rheims Bible, and the Bible in Basic English. Each translation reflects different translation philosophies — use the translation picker on this page to compare them, or browse our full translations directory.
How can I memorize 1 John 2:4?
1 John 2:4 reads (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;” Read it aloud, break it into short phrases, repeat each phrase three times before adding the next, then put the phrases together. Reading it in multiple translations (above) often helps the meaning settle.
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