1 John 2:4
Parallel Verses
New International Version
Whoever says, "I know him," but does not do what he commands is a liar, and the truth is not in that person.

New Living Translation
If someone claims, "I know God," but doesn't obey God's commandments, that person is a liar and is not living in the truth.

English Standard Version
Whoever says “I know him” but does not keep his commandments is a liar, and the truth is not in him,

New American Standard Bible
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;

King James Bible
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.

Holman Christian Standard Bible
The one who says, "I have come to know Him," yet doesn't keep His commands, is a liar, and the truth is not in him.

International Standard Version
The person who says, "I have come to know him," but does not continually keep his commandments is a liar, and the truth has no place in that person.

NET Bible
The one who says "I have come to know God" and yet does not keep his commandments is a liar, and the truth is not in such a person.

Aramaic Bible in Plain English
For he who says, “I know him”, and does not keep his commandments, is lying and the truth is not in him.

GOD'S WORD® Translation
The person who says, "I know him," but doesn't obey his commandments is a liar. The truth isn't in that person.

Jubilee Bible 2000
He that says, I have known him, and does not keep his commandments, is a liar, and the truth is not in him.

King James 2000 Bible
He that says, I know him, and keeps not his commandments, is a liar, and the truth is not in him.

American King James Version
He that said, I know him, and keeps not his commandments, is a liar, and the truth is not in him.

American Standard Version
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him;

Douay-Rheims Bible
He who saith that he knoweth him, and keepeth not his commandments, is a liar, and the truth is not in him.

Darby Bible Translation
He that says, I know him, and does not keep his commandments, is a liar, and the truth is not in him;

English Revised Version
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him:

Webster's Bible Translation
He that saith, I know him, and keepeth not his commandments, is a liar, and the truth is not in him.

Weymouth New Testament
He who professes to know Him, and yet does not obey His commands, is a liar, and the truth has no place in his heart.

World English Bible
One who says, "I know him," and doesn't keep his commandments, is a liar, and the truth isn't in him.

Young's Literal Translation
he who is saying, 'I have known him,' and his command is not keeping, a liar he is, and in him the truth is not;
Parallel Commentaries
Matthew Henry's Concise Commentary

2:3-11 What knowledge of Christ can that be, which sees not that he is most worthy of our entire obedience? And a disobedient life shows there is neither religion nor honesty in the professor. The love of God is perfected in him that keeps his commandments. God's grace in him attains its true mark, and produces its sovereign effect as far as may be in this world, and this is man's regeneration; though never absolutely perfect here. Yet this observing Christ's commands, has holiness and excellency which, if universal, would make the earth resemble heaven itself. The command to love one another had been in force from the beginning of the world; but it might be called a new command as given to Christians. It was new in them, as their situation was new in respect of its motives, rules, and obligations. And those who walk in hatred and enmity to believers, remain in a dark state. Christian love teaches us to value our brother's soul, and to dread every thing hurtful to his purity and peace. Where spiritual darkness dwells, in mind, the judgment, and the conscience will be darkened, and will mistake the way to heavenly life. These things demand serious self-examination; and earnest prayer, that God would show us what we are, and whither we are going.

Pulpit Commentary

Verse 4. - The participial substantive ὁ λέγων now takes the place of ἐάν with the subjunctive, but the two are equivalent (cf. 1 John 1:6, which is almost exactly parallel to this, and shows what "knowing him" really is, viz. having fellowship with him, just as not keeping his commandments is the same as walking in darkness). St. John says, μὴ τηρῶν, not, οὐ τηρῶν, the case being hypothetical - if there be such a man, he is a liar, and has no idea of truth (see on 1 John 1:8). He must have lost the very power of recognizing truth to maintain that he knows Christ, when he habitually transgresses his commands. It is no great thing, as Bode says, to know as the devils do, who "believe and tremble."

Gill's Exposition of the Entire Bible

He that saith I know him,.... God or Christ, as the Gnostics did, who pretended to great, even perfect, knowledge of divine things:

and keepeth not his commandments; which the above persons had no regard to, and as many who profess great light and knowledge in our days show no concern for:

is a liar; he contradicts what he says, and gives the lie to it; for though in words he professes to know God, in works he denies him, and which betrays his ignorance of him:

and the truth is not in him; there is no true knowledge of God and Christ in him; nor is the truth of the Gospel in his heart, however it may be in his head; nor is the truth of grace in him, for each of these lead persons to obedience. The Ethiopic version renders it, "the truth of God is not with him"; See Gill on 1 John 1:8.

Jamieson-Fausset-Brown Bible Commentary

4. I know—Greek, "I have knowledge of (perfect) Him." Compare with this verse 1Jo 1:8.

1 John 2:4 Additional Commentaries
Context
Jesus is Our Advocate
3By this we know that we have come to know Him, if we keep His commandments. 4The 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; 5but whoever keeps His word, in him the love of God has truly been perfected. By this we know that we are in Him:…
Cross References
John 8:44
You belong to your father, the devil, and you want to carry out your father's desires. He was a murderer from the beginning, not holding to the truth, for there is no truth in him. When he lies, he speaks his native language, for he is a liar and the father of lies.

Titus 1:10
For there are many rebellious people, full of meaningless talk and deception, especially those of the circumcision group.

Titus 1:16
They claim to know God, but by their actions they deny him. They are detestable, disobedient and unfit for doing anything good.

1 John 1:6
If we claim to have fellowship with him and yet walk in the darkness, we lie and do not live out the truth.

1 John 1:8
If we claim to be without sin, we deceive ourselves and the truth is not in us.

1 John 2:3
We know that we have come to know him if we keep his commands.

1 John 3:6
No one who lives in him keeps on sinning. No one who continues to sin has either seen him or known him.

1 John 4:7
Dear friends, let us love one another, for love comes from God. Everyone who loves has been born of God and knows God.

1 John 4:20
Whoever claims to love God yet hates a brother or sister is a liar. For whoever does not love their brother and sister, whom they have seen, cannot love God, whom they have not seen.
Treasury of Scripture

He that said, I know him, and keeps not his commandments, is a liar, and the truth is not in him.

that saith.

1 John 2:9 He that said he is in the light, and hates his brother, is in darkness …

1 John 1:6,8,10 If we say that we have fellowship with him, and walk in darkness, …

1 John 4:20 If a man say, I love God, and hates his brother, he is a liar: for …

James 2:14-16 What does it profit, my brothers, though a man say he has faith, …

I know.

Hosea 8:2,3 Israel shall cry to me, My God, we know you…

Titus 1:16 They profess that they know God; but in works they deny him, being …

is a. See on ch.

1 John 1:6,8 If we say that we have fellowship with him, and walk in darkness, …

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