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Love for God and Love for Neighbor in Christian Ethics

Christian ethics are fundamentally shaped by the dual commandments to love God and to love one's neighbor. Jesus himself identified these as the greatest commandments, stating, "The second is this, Have love for your neighbour as for yourself. There is no other law greater than these" [1]. This teaching is a cornerstone for biblical ethics in both the Old and New Testaments [10].

Love for God is presented as a primary duty, encompassing belief, fear, obedience, and rejoicing in God [9]. It is also characterized by loving Christ, following his example, and obeying his commands [9]. This love should be sincere, from the soul, and supreme [6]. The goodness of God, expressed through benevolence, mercy, and grace, serves as a motivation for this love [8].

The commandment to love one's neighbor is directly linked to the love of God. As articulated in 1 John 4:21, "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" [12]. This love for neighbor is commanded by God and Christ, following Christ's own example [4]. It is a fruit of the Spirit and an active, abiding principle [4].

The concept of loving one's neighbor "as yourself" is central [1, 10]. This does not imply selfishness, which is contrary to God's law and condemned by Christ's example [5]. Instead, it emphasizes a willingness to prioritize the good of others over one's own desires [11]. Paul summarizes this by stating that believers should do everything for the glory of God and avoid giving offense or harming another person's faith, guiding their behavior by what is best for others rather than personal privilege [16]. This includes showing liberality towards others, such as the poor, strangers, and even enemies [7].

The scope of "neighbor" is broad, extending to foreigners [10]. The parable of the Good Samaritan, for instance, illustrates this expansive understanding of neighborly love [10]. The absence of this love can lead to grudges and violence [10].

The New Testament further develops the concept of love within the Christian community. In 2 Peter 1:7, "brotherly kindness" leads to "love" [2, 3]. This "brotherly affection" or "brotherly kindness" is a step towards the broader concept of love [2, 3]. John Gill notes that Christ's commandment to "love one another" is a principal one, to which all other duties of Christianity relative to one another can be reduced [17].

Christian ethics are not based on philosophical speculation but on doing God's will [14]. This involves a holistic approach to life, embracing holiness in all aspects [14]. Love for others should govern the conduct of those strong in faith [15]. The two great commandments—love for God and love for neighbor—are presented as the summation of the law [13].

Sources

  1. Mark “Mark 12:31 (BBE) — The second is this, Have love for your neighbour as for yourself. There is no other law greater than these.”
  2. II Peter “II Peter 1:7 (BSB) — and to godliness, brotherly kindness; and to brotherly kindness, love.”
  3. 2 Peter “and in godliness brotherly affection; and in brotherly affection, love. -- 2 Peter 1:7”
  4. Torrey's Topical Textbook “Torrey's Topical Textbook: Love to Man — Is of God -- 1Jo 4:7. Commanded by God -- 1Jo 4:21. Commanded by Christ -- Joh 13:34; 15:12; 1Jo 3:23. After the example of Christ -- Joh 13:34; 15:12; Eph 5:2. Taught by God -- 1Th 4:9. Faith works by -- Ga 5:6. A fruit of the Spirit -- Ga 5:22; Col 1:8. Purity of heart leads to -- 1Pe 1:22. Explained -- 1Co 13:4-7. Is an active principle -- 1Th 1:3; Heb 6:10. Is an abiding principle -- 1Co 13:8,13. Is the second great commandment -- Mt 22:37-39. Is the end of the commandment -- 1Ti 1:5. Supernatural gifts are nothing without -- 1Co 13:1,2. The greates”
  5. Torrey's Topical Textbook “Torrey's Topical Textbook: Selfishness — Contrary to the law of God -- Le 19:18; Mt 22:39; Jas 2:8. The example of Christ condemns -- Joh 4:34; Ro 15:3; 2Co 8:9. God hates -- Mal 1:10. Exhibited in Being lovers of ourselves. -- 2Ti 3:2. Pleasing ourselves. -- Ro 15:1. Seeking our own. -- 1Co 10:33; Php 2:21. Seeking after gain. -- Isa 56:11. Seeking undue precedence. -- Mt 20:21. Living to ourselves. -- 2Co 5:15. Neglect of the poor. -- 1Jo 3:17. Serving God for reward. -- Mal 1:10. Performing duty for reward. -- Mic 3:11. Inconsistent with Christian love -- 1Co 13:5. Inconsistent with communi”
  6. Torrey's Topical Textbook “Torrey's Topical Textbook: Love to Christ — Exhibited by God -- Mt 17:5; Joh 5:20. Exhibited by saints -- 1Pe 1:8. His personal excellence is deserving of -- Song 5:9-16. His love to us a motive to -- 2Co 5:14. Manifested in Seeking him. -- Song 3:2. Obeying him. -- Joh 14:15,21,23. Ministering to him. -- Mt 27:55; 25:40. Preferring him to all others. -- Mt 10:37. Taking up the cross for Him. -- Mt 10:38. A characteristic of saints -- Song 1:4. An evidence of adoption -- Joh 8:42. Should be Sincere. -- Eph 6:24. With the soul. -- Song 1:7. In proportion to our mercies. -- Lu 7:47. Supreme. -- ”
  7. Torrey's Topical Textbook “Torrey's Topical Textbook: Liberality — Pleasing to God -- 2Co 9:7; Heb 13:16. God never forgets -- Heb 6:10. Christ set an example of -- 2Co 8:9. Characteristic of saints -- Ps 112:9; Isa 32:8. Unprofitable, without love -- 1Co 13:3. Should be exercised In the service of God. -- Ex 35:21-29. Toward saints. -- Ro 12:13; Ga 6:10. Toward servants. -- De 15:12-14. Toward the poor. -- De 15:11; Isa 58:7. Toward strangers. -- Le 25:35. Toward enemies. -- Pr 25:21. Toward all men. -- Ga 6:10. In leading to those in want. -- Mt 5:42. In giving alms. -- Lu 12:33. In relieving the destitute. -- Isa 58:”
  8. Easton's Bible Dictionary “Easton's Bible Dictionary: Goodness of God — A perfection of his character which he exercises towards his creatures according to their various circumstances and relations (Ps. 145:8, 9; 103:8; 1 John 4:8). Viewed generally, it is benevolence; as exercised with respect to the miseries of his creatures it is mercy, pity, compassion, and in the case of impenitent sinners, long-suffering patience; as exercised in communicating favour on the unworthy it is grace. "Goodness and justice are the several aspects of one unchangeable, infinitely wise, and sovereign moral perfection. God is not sometimes ”
  9. Torrey's Topical Textbook “Torrey's Topical Textbook: Conduct, Christian — Believing God -- Mr 11:22; Joh 14:11,12. Fearing God -- Ec 12:13; 1Pe 2:17. Loving God -- De 6:5; Mt 22:37. Following God -- Eph 5:1; 1Pe 1:15,16. Obeying God -- Lu 1:6; 1Jo 5:3. Rejoicing in God -- Ps 33:1; Hab 3:18. Believing in Christ -- Joh 6:29; 1Jo 3:23. Loving Christ -- Joh 21:15; 1Pe 1:7,8. Following the example of Christ -- Joh 13:15; 1Pe 2:21-24. Obeying Christ -- Joh 14:21; 15:14. Living To Christ. -- Ro 14:8; 2Co 5:15. To righteousness. -- Mic 6:8; Ro 6:18; 1Pe 2:24. Soberly, righteously, and godly. -- Tit 2:12. Walking Honestly. -- 1”
  10. Leviticus (Protestant academic) “Tyndale House on Leviticus 19:18: 19:18 love your neighbor as yourself: This is the cornerstone for biblical ethics in both the Old Testament and the New Testament (see Matt 22:39; Mark 12:31; Luke 10:27; Rom 13:8-9; Gal 5:14; Jas 2:8). It includes foreigners (Lev 19:34; cp. Luke 10:30-37). Conversely, hate leads to a grudge that can bear violent fruit (see 1 Jn 2:10-11; 4:20).”
  11. 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 13:4: 13:4-7 This description of Christian love emphasizes the willingness to give up one’s own desires for the good of others (see also 8:1–10:33; Rom 5:6-8; 15:3; 2 Cor 8:9; Phil 2:4-8).”
  12. 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.”
  13. Matthew (Baptist/Reformed) “John Gill on Matthew 22:36: And the second is like unto it,.... For there is but a second, not a third: this is suggested in opposition to the numerous commandments in the law, according to the opinion of the Jews, who reckon them in all to be "six hundred and thirteen": of which there are "three hundred and sixty five" negative ones, according to the number of the days of the year; and "two hundred and forty eight" affirmative ones, according to the members of a man's body (z). Christ reduces all to two, love to God, and love to the neighbour; and the latter is the second in order of nature, ”
  14. 1 Thessalonians (Protestant academic) “Tyndale House on 1 Thessalonians 4:3: 4:3 God’s will is for you to be holy: The foundation of Christian ethics is not philosophical speculation about virtue but doing God’s will (Rom 12:1-2; Eph 6:6; Heb 10:36; 13:20-21). Holiness (1 Thes 4:4, 7) embraces all of a person’s life (5:23); here it involves staying away from sexual sin (Greek porneia, any sexual union outside marriage).”
  15. Romans (Protestant academic) “Tyndale House on Romans 15:2: 15:2 others (literally the neighbor): See Lev 19:18, quoted in Rom 13:9. Love for others should govern the conduct of people who are strong in faith.”
  16. 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 10:31: 10:31-33 Paul concludes his discussion by summarizing the two principles that are to guide Christian behavior in issues like this: (1) Believers are to do everything for the glory of God (see Col 3:17; 1 Pet 4:11); (2) believers are not to give offense and should avoid doing anything that would harm another person’s Christian faith (cp. 1 Cor 8:9, 13; 1 Jn 2:10). Christians’ behavior is to be guided by what is best for others rather than by personal privilege (cp. Rom 14:13-15, 19-21; 15:1-2). These two basic principles lie at the heart of Paul’s advice on”
  17. John (Baptist/Reformed) “John Gill on John 15:11: This is my commandment, that ye love one another,.... Christ had been before speaking of his commandments; and he mentions this as the principal one, and to which all the rest may be reduced; for as the precepts of the second table of the moral law may be briefly comprehended in this one duty, love to our neighbour, so all the duties of Christianity, relative to one another, are reducible to this, by love to serve each other. This was the commandment which lay uppermost on Christ's heart, and which he knew, if attended to, the rest could not fail of being observed. The”
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