1 John 2:3

King James Version (KJV)

And hereby we do know that we know him, if we keep his commandments.

Adam Clarke
Bible Commentary

And hereby we do know that we know him - If we keep the commandments of God, loving him with all our heart, and our neighbor as ourselves, we have the fullest proof that we have the true saving knowledge of God and his Christ. The Gnostics pretended to much knowledge, but their knowledge left them in possession of all their bad passions and unholy habits; they, therefore, gave no proof that they had known either God or his Son Jesus - nor is any man properly acquainted with God, who is still under the power of his sins.

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Albert Barnes
Notes on the Whole Bible

And hereby we do know that we know him - To wit, by that which follows, we have evidence that we are truly acquainted with him, and with the requirements of his religion; that is, that we are truly his friends. The word “him” in this verse, seems to refer to the Saviour. On the meaning of the word “know,” see the notes at John 17:3. The apostle had stated in the previous part of this Epistle some of the leading points revealed by the Christian religion, and he here enters on the consideration of the nature of the evidence required to show that we are personally interested in it, or that we are true Christians. A large part of the Epistle is occupied with this subject. The first, the grand evidence - that without which all others would be vain - he says is, that we keep his commandments.

If we keep his commandments - See the notes at John 14:15. Compare John 14:23-24; John 15:10, John 15:14.

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Matthew Henry
Concise Bible Commentary

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.

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SDA Bible Commentary (limited)
Volume 1-7

3. Hereby. Gr. en toutÅÂ, literally, “in this,” pointing forward to the qualification made in the second half of the verse, “if we keep his commandments” (cf. v. 5; ch. 3:16, 19; etc.). In his Gospel, John frequently uses a similar phrase “through this” (dia touto) to refer back to what has gone before and to carry the argument a step further (John 5:16, 18; John 8:47; etc.). But in this epistle en toutÅÂ generally refers to what follows (cf. on ch. 4:9).

We do know that we know. The Greek verbs are of different tenses. To convey the distinction between these tenses the clause may be rendered, “We are knowing that we have come to know and still know.” John frequently uses the verb “to know” (John 14:7; 17:3, 25; 1 John 2:4, 5, 13; 3:1; 4:2) in connection with “God” to denote, not merely a knowledge of Him, but a personal acquaintance with Him (cf. on John 17:3). This experience is an effective barrier against the inroads of the heretical Gnostic teachings concerning Christ already referred to (see pp. 625, 626).

Him. That is, Christ, the Advocate (v. 1), the Propitiation (v. 2). A life conformed to the will of God is the only sure evidence that a person knows God. Throughout this epistle, John continues to contradict the Gnostic claim that knowledge alone is of value and that conduct is of no particular importance in determining a man’s standing with God. The apostles declare that it is not hearers of the Word who are justified, but doers thereof (Rom. 2:13; James 1:22, 23). Pious claims must be balanced by moral conduct.

Keep his commandments. The verb translated “keep” (tÄ“reÅÂ) expresses the idea of observing, or keeping close watch. Here it entails an inner purpose that results in conforming our acts with the will of God as expressed in His “commandments.” For comment on “commandments” (entolai) see on Matt. 19:17; John 14:15. John uses the phrase “keep my commandments” and its equivalent “keep my words,” or similar phrases, many times in his writings (John 14:15, 23; 1 John 3:22, 24; 5:2; 2 John 6; Rev. 3:10; 12:17).

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Ellen G. White
Christ's Object Lessons, 313

The truth is to be planted in the heart. It is to control the mind and regulate the affections. The whole character must be stamped with the divine utterances. Every jot and tittle of the word of God is to be brought into the daily practice. COL 314.1

He who becomes a partaker of the divine nature will be in harmony with God's great standard of righteousness, His holy law. This is the rule by which God measures the actions of men. This will be the test of character in the judgment. COL 314.2

There are many who claim that by the death of Christ the law was abrogated; but in this they contradict Christ's own words, “Think not that I am come to destroy the law, or the prophets.... Till heaven and earth pass, one jot or one tittle shall in no wise pass from the law.” Matthew 5:17, 18. It was to atone for man's transgression of the law that Christ laid down His life. Could the law have been changed or set aside, then Christ need not have died. By His life on earth He honored the law of God. By His death He established it. He gave His life as a sacrifice, not to destroy God's law, not to create a lower standard, but that justice might be maintained, that the law might be shown to be immutable, that it might stand fast forever. COL 314.3

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Ellen G. White
The Desire of Ages, 396

The rules in regard to purification were numberless. The period of a lifetime was scarcely sufficient for one to learn them all. The life of those who tried to observe the rabbinical requirements was one long struggle against ceremonial defilement, an endless round of washings and purifications. While the people were occupied with trifling distinctions, and observances which God had not required, their attention was turned away from the great principles of His law. DA 396.1

Christ and His disciples did not observe these ceremonial washings, and the spies made this neglect the ground of their accusation. They did not, however, make a direct attack on Christ, but came to Him with criticism of His disciples. In the presence of the multitude they said, “Why do Thy disciples transgress the tradition of the elders? for they wash not their hands when they eat bread.” DA 396.2

Whenever the message of truth comes home to souls with special power, Satan stirs up his agents to start a dispute over some minor question. Thus he seeks to attract attention from the real issue. Whenever a good work is begun, there are cavilers ready to enter into dispute over forms or technicalities, to draw minds away from the living realities. When it appears that God is about to work in a special manner for His people, let them not be enticed into a controversy that will work only ruin of souls. The questions that most concern us are, Do I believe with saving faith on the Son of God? Is my life in harmony with the divine law? “He that believeth on the Son hath everlasting life: and he that believeth not the Son shall not see life.” “And hereby we do know that we know Him, if we keep His commandments.” John 3:36; 1 John 2:3. DA 396.3

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Ellen G. White
The Desire of Ages, 409

The hypocrisy of the Pharisees was the product of self-seeking. The glorification of themselves was the object of their lives. It was this that led them to pervert and misapply the Scriptures, and blinded them to the purpose of Christ's mission. This subtle evil even the disciples of Christ were in danger of cherishing. Those who classed themselves with the followers of Jesus, but who had not left all in order to become His disciples, were influenced in a great degree by the reasoning of the Pharisees. They were often vacillating between faith and unbelief, and they did not discern the treasures of wisdom hidden in Christ. Even the disciples, though outwardly they had left all for Jesus’ sake, had not in heart ceased to seek great things for themselves. It was this spirit that prompted the strife as to who should be greatest. It was this that came between them and Christ, making them so little in sympathy with His mission of self-sacrifice, so slow to comprehend the mystery of redemption. As leaven, if left to complete its work, will cause corruption and decay, so does the self-seeking spirit, cherished, work the defilement and ruin of the soul. DA 409.1

Among the followers of our Lord today, as of old, how widespread is this subtle, deceptive sin! How often our service to Christ, our communion with one another, is marred by the secret desire to exalt self! How ready the thought of self-gratulation, and the longing for human approval! It is the love of self, the desire for an easier way than God has appointed that leads to the substitution of human theories and traditions for the divine precepts. To His own disciples the warning words of Christ are spoken, “Take heed and beware of the leaven of the Pharisees.” DA 409.2

The religion of Christ is sincerity itself. Zeal for God's glory is the motive implanted by the Holy Spirit; and only the effectual working of the Spirit can implant this motive. Only the power of God can banish self-seeking and hypocrisy. This change is the sign of His working. When the faith we accept destroys selfishness and pretense, when it leads us to seek God's glory and not our own, we may know that it is of the right order. “Father, glorify Thy name” (John 12:28), was the keynote of Christ's life, and if we follow Him, this will be the keynote of our life. He commands us to “walk, even as He walked;” and “hereby we do know that we know Him, if we keep His commandments.” 1 John 2:6, 3. DA 409.3

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Ellen G. White
SDA Bible Commentary, vol. 5 (EGW), 1141

The only begotten Son of God recognized the nobility of humanity by taking humanity upon Himself, and dying in behalf of humanity, testifying throughout all ages that “God so loved the world, that he gave his only begotten Son, that whosoever believeth in him should not perish, but have everlasting life” (Letter 10, 1897). 5BC 1141.1

A Fatal Deception—True sanctification unites believers to Christ and to one another in the bonds of tender sympathy. This union causes to flow continually into the heart rich currents of Christlike love, which flows forth again in love for one another. 5BC 1141.2

The qualities which it is essential for all to possess are those which marked the completeness of Christ's character—His love, His patience, His unselfishness, and His goodness. These attributes are gained by doing kindly actions with a kindly heart.... 5BC 1141.3

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