Loving God and Neighbor as Fulfilling Jesus' Commandments
Jesus taught that loving God and neighbor are the greatest commandments, summarizing the law and prophets (Matthew 19:19; Mark 12:30-31; Luke 10:27) [1, 2, 3, 4]. This dual commandment is foundational to Christian ethics and is echoed throughout the New Testament and early Christian tradition.
The biblical basis for loving God is rooted in Deuteronomy 6:5, where Israel is commanded to love God with all their heart, soul, and strength. Jesus reaffirms this commandment, citing it as the first and greatest commandment (Mark 12:30) [4]. The second commandment, to love one's neighbor as oneself, is also grounded in the Hebrew Scriptures (Leviticus 19:18) and is reiterated by Jesus (Mark 12:31; Matthew 19:19; Luke 10:27) [1, 2, 3].
The early Christian tradition understood these commandments as inseparable. Augustine notes that the whole law and prophets hang upon these two precepts, emphasizing that love is the fulfillment of the law [6, 11]. The apostle Paul writes that "love is the fulfilling of the law" (Romans 13:10), a theme echoed in the writings of early Church Fathers [14].
The command to love one's neighbor as oneself is not limited to those within the Christian community. Augustine argues that the term "neighbor" encompasses all humanity, as the parable of the Good Samaritan illustrates (Luke 10:25-37) [13]. This universal scope is reinforced by the apostle John's statement that "he who loves his brother abides in the light" (1 John 2:10), with "brother" understood to include all people [9].
The relationship between loving God and loving neighbor is reciprocal. According to Adam Clarke, "The love of God and the love of man can never be separated; he who loves God will love his brother" [7]. This reciprocity is rooted in the nature of God, who is love (1 John 4:8). As John Calvin notes, our life is framed in accordance with God's will when it is advantageous to our brethren, highlighting the importance of love for neighbor in demonstrating love for God [10].
The fulfillment of Jesus' commandments through love is not achieved through human effort alone. Augustine emphasizes that the love which fulfills the commandments is not of ourselves but is given by God [8]. The Holy Spirit plays a crucial role in enabling believers to love God and neighbor, as Paul writes that "God's love has been poured into our hearts through the Holy Spirit" (Romans 5:5).
The early Christian community exemplified this love, as seen in their care for one another and their witness to the world. The Community Rule from the Dead Sea Scrolls, while not Christian, illustrates a similar understanding of loving God and neighbor as fundamental to a life pleasing to God [5].
In Christian tradition, the dual commandment to love God and neighbor remains central. The Methodist/Wesleyan tradition, as represented by Adam Clarke, emphasizes the importance of love in fulfilling the law and living a life pleasing to God [7, 12]. Similarly, the Reformed tradition, as represented by John Calvin, highlights the significance of love for neighbor in demonstrating love for God [10].
The patristic tradition consistently emphasizes the importance of love in Christian living. Clement of Alexandria, for example, notes that love is the greatest of all virtues, surpassing faith and hope [14]. This emphasis on love as the fulfillment of the law and the essence of Christian living continues to shape Christian ethics and spirituality.
Sources
- Mark “The second is like this, ‘You shall love your neighbor as yourself.’There is no other commandment greater than these.” -- Mark 12:31”
- Matthew “‘Honor your father and mother.’And, ‘You shall love your neighbor as yourself.’” -- Matthew 19:19”
- Luke “He answered, “You shall love the Lord your God with all your heart, with all your soul, with all your strength, and with all your mind; and your neighbor as yourself.” -- Luke 10:27”
- Mark “you shall love the Lord your God with all your heart, and with all your soul, and with all your mind, and with all your strength.’This is the first commandment. -- Mark 12:30”
- Dead Sea Scrolls “Community Rule (Serekh ha-Yahad) (c. 100-75 BCE), section 1: THE COMMUNITY RULE Translated by G. Vermes 1QS COL.I . . . Book of the Community Rule, that they may seek 2. God with a whole heart and soul. and do good and right before Him as 3. He commanded by the hand of Moses and all His servants the Prophets; that they may love 4. all that He has chosen and hate all that he has rejected; that they may abstain from all evil and 5. hold fast to all good; that they may practise truth, righteousness, and justice 6. upon earth and no longer stubbornly follow a sinful heart and lustful eyes committi”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 5: Augustine — Anti-Pelagian — CHAP. 36.--LOVE COMMENDED BY OUR LORD HIMSELF.: Moreover, the Lord Jesus Himself teaches us that the whole law and the prophets hang upon the two precepts of love to God and love to our neighbour. Concerning these two commandments the following is written in the Gospel according to St. Mark: "And one of the scribes came, and having heard them reasoning together, and perceiving that He had answered them well, asked Him: Which is the first commandment of all ? And Jesus answered him: The first of all the commandments is, Hear, O Israel! the Lord our God i”
- 1 John (Methodist/Wesleyan) “Adam Clarke on 1 John 4:21: This commandment have we - We should love one another, and love our neighbor as ourselves. The love of God and the love of man can never be separated; he who loves God will love his brother; he who loves his brother gives this proof that he loves God, because he loves with a measure of that love which, in its infinitude, dwells in God.”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 5: Augustine — Anti-Pelagian — CHAP. 37 [XVIII.]--THE LOVE WHICH FULFILS THE COMMANDMENTS IS NOT OF OURSELVES, BUT OF GOD.: All these commandments, however, respecting love or charity[12] (which are so great, and such that whatever action a man may think he does well is by no means well done if done without love) would be given to men in vain if they had not free choice of will. But forasmuch as these precepts are given in the law, both old and new (although in the new came the grace which was promised in the old, but the law without grace is the letter which killeth, but in grace th”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 5: Augustine — Anti-Pelagian — CHAP. 35.--COMMENDATIONS OF LOVE.: The Apostle Peter, likewise, says, "And, above all things, have fervent love among yourselves: for love shall cover the multitude of sins."[19] The Apostle James also says, "If ye 459 fulfil the royal law, according to the Scripture, Thou shalt love thy neighbour as thyself, ye do well."[1] So also the Apostle John says, "He that loveth his brother abideth in the right;"[2] again, in another passage, "Whosoever doeth not righteousness is not of God, neither he that loveth not his brother; for this is the message which ”
- CCEL (Reformed) “John Calvin, Institutes of the Christian Religion, section 44: of justice and equity towards men is prescribed as the means which we are to employ in testifying a pious fear of God, if we truly possess it. 54. Let us therefore hold, that our life will be framed in best accordance with the will of God, and the requirements of his Law, when it is, in every respect, most advantageous to our brethren. But in the whole Law, there is not one syllable which lays down a rule as to what man is to do or avoid for the advantage of his own carnal nature. And, indeed, since men are naturally prone to exces”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 121.--LOVE IS THE END OF ALL THE COMMANDMENTS, AND GOD HIMSELF IS LOVE. (part 1): All the commandments of God, then, are embraced in love, of which the apostle says: "Now the end of the commandment is charity, out of a pure heart, and of a good conscience, and of faith unfeigned."(9) Thus the end of every commandment is charity, that is, every commandment has love for its aim. But whatever is done either through fear of 276 punishment or from some other carnal motive, and has not for its principle that love which the Spirit of God sheds abro”
- 2 Peter (Methodist/Wesleyan) “Adam Clarke on 2 Peter 2:21: For it had been better for them not to have known - For the reasons assigned above; because they have sinned against more mercy, are capable of more sin, and are liable to greater punishment. The holy commandment - The whole religion of Christ is contained in this one commandment, "Thou shalt love the Lord thy God with all thy heart, with all thy soul, with all thy mind, and with all thy strength; and thy neighbor as thyself." He who obeys this great commandment, and this by the grace of Christ is possible to every man, is saved from sinning either against his God ”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 2: Augustine — City of God, Christian Doctrine — CHAP. 30.--WHETHER ANGELS ARE TO BE RECKONED OUR NEIGHBORS. (part 2): love thy neighbor as thyself. Love worketh no ill to his neighbor."(3) Whoever then supposes that the apostle did not embrace every man in this precept, is compelled to admit, what is at once most absurd and most pernicious, that the apostle thought it no sin, if a man were not a Christian or were an enemy, to commit adultery with his wife, or to kill him, or to covet his goods. And as nobody but a fool would say this, it is clear that every man is to be considered o”
- Schaff ANF/NPNF (Patristic) “ANF Vol 1: Clement, Polycarp, Ignatius, Barnabas, Papias, Justin Martyr, Irenaeus — CHAP.XII.--IT CLEARLY APPEARS THAT THERE WAS BUT ONE AUTHOR OF BOTH THE OLD AND (part 2): the law; but He would undoubtedly have endeavoured by all means to bring down a greater one than this from the perfect Father, so as not to make use of that which had been given by the 476 God of the law. And Paul in like manner declares, "Love is the fulfilling of the law:"(1) and [he declares] that when all other things have been destroyed, there shall remain "faith, hope, and love; but the greatest of all is love;"(2) a”