The command to "love thy neighbor" stands as one of the most recognizable ethical pillars in human history. While often quoted in secular contexts as a general rule of kindness, its roots are deeply embedded in the ancient texts of the Hebrew Bible and the New Testament. If you are looking for the exact location of this verse, the primary source is Leviticus 19:18 in the Old Testament, which is later elevated by Jesus in Matthew 22:39, Mark 12:31, and Luke 10:27.

The Original Command in Leviticus 19:18

The journey of this phrase begins in the third book of the Torah, Leviticus. This book is often perceived as a dense collection of ritual laws and priestly regulations, but at its heart lies what scholars call the "Holiness Code" (chapters 17–26). These chapters outline how the ancient Israelites were to reflect the holiness of God through their social and ethical behavior.

In Leviticus 19:18, the verse reads:

"Do not seek revenge or bear a grudge against anyone among your people, but love your neighbor as yourself. I am the LORD." (NIV)

The Context of Tribal Community

In its original Hebrew context, the word for neighbor is re'a. Historically, this term referred specifically to a fellow member of the covenant community—a fellow Israelite. The surrounding verses in Leviticus 19 provide a practical framework for what this love looks like. It isn't described as a vague feeling, but as a series of concrete actions:

  • Leaving the edges of the harvest for the poor and the foreigner (v. 9-10).
  • Prohibiting theft, lying, and deception (v. 11).
  • Ensuring justice in court without partiality to the rich or poor (v. 15).
  • Refraining from slandering others or endangering their lives (v. 16).

The command ends with the solemn declaration, "I am the LORD." This serves as the ultimate authority and motivation. The Israelites were to love their neighbors because their God is a God of justice and compassion, and as His people, they were to mirror those attributes.

Jesus and the Great Commandment

Moving into the New Testament, the command to love one's neighbor undergoes a radical transformation. Jesus identifies it not just as one of many laws, but as the "Second Great Commandment," equal in weight to the command to love God.

The Synoptic Accounts: Matthew, Mark, and Luke

The elevation of this verse occurs during a series of confrontations between Jesus and religious leaders in Jerusalem.

In Matthew 22:34-40, a Pharisee who was an expert in the law tests Jesus by asking, "Teacher, which is the greatest commandment in the Law?" Jesus responds by quoting the Shema (Deuteronomy 6:5) regarding the love of God, and then immediately adds:

"And the second is like it: ‘Love your neighbor as yourself.’ All the Law and the Prophets hang on these two commandments."

The phrase "hang on these two commandments" is crucial. It suggests that every other moral instruction in the entire Bible is simply a specific application of these two core principles. If you love God and love your neighbor, you will naturally fulfill the rest of the law.

In Mark 12:28-34, the account is slightly different. The scribe who asks the question agrees with Jesus, noting that these commands are more important than all burnt offerings and sacrifices. Jesus commends him, saying he is "not far from the kingdom of God." This highlights that the internal posture of love is superior to external religious ritual.

Expanding the Definition: The Parable of the Good Samaritan

Perhaps the most famous exploration of the "love thy neighbor" verse occurs in Luke 10:25-37. Here, a lawyer asks Jesus, "And who is my neighbor?"

This question was a matter of intense rabbinic debate at the time. Many sought to narrow the definition to include only those who shared their religion, ethnicity, or social standing. Jesus responds not with a definition, but with the Parable of the Good Samaritan.

Beyond Boundaries

In the story, a man is beaten and left for dead on the road. Two highly religious figures (a priest and a Levite) pass him by. It is a Samaritan—a member of a group despised by the Jews—who stops to provide medical care, transportation, and financial support for the victim.

By using a Samaritan as the hero, Jesus shattered the tribal limitations of Leviticus 19:18. He taught that a "neighbor" is not someone who looks like you or lives near you; a neighbor is anyone in need whose path you cross. The command "as yourself" implies a level of care that matches the instinct for self-preservation and comfort that every human naturally possesses.

Linguistic Analysis: Agape and Plesion

To fully understand the depth of these verses, we must look at the original Greek used in the New Testament.

What is Agapaō?

The verb used for "love" in these passages is agapaō. In the Greek of the time, there were several words for love: eros (romantic), philia (brotherly friendship), and storge (familial affection). Agape, however, describes a volitional, sacrificial love. It is not necessarily based on emotion or the worthiness of the recipient. Instead, it is a choice of the will to seek the highest good of another person.

When the Bible says to love your neighbor, it isn't commanding you to have "warm feelings" for everyone—which would be impossible. It is commanding a behavior: to treat others with the same dignity, justice, and care that you desire for yourself.

Who is the Plesion?

The Greek word for neighbor is plesion, which literally means "the one who is near." In the context of Jesus’ teaching, "nearness" is not just geographical but situational. If you are in a position to help, the person in front of you becomes your neighbor.

The Apostle Paul and the Fulfilling of the Law

The early church took this teaching and made it the cornerstone of Christian ethics. The Apostle Paul, a former Pharisee who knew the 613 laws of the Torah intimately, concluded that they were all summarized in this one verse.

Romans 13:8-10

Paul writes to the church in Rome:

"The commandments, 'You shall not commit adultery,' 'You shall not murder,' 'You shall not steal,' 'You shall not covet,' and whatever other command there may be, are summed up in this one command: 'Love your neighbor as yourself.' Love does no harm to a neighbor. Therefore love is the fulfillment of the law."

In Paul’s view, love is the "shortcut" to righteousness. If a person truly loves their neighbor, they will never need a list of prohibitions because love naturally avoids harming others.

Galatians 5:14

Similarly, in his letter to the Galatians, Paul warns against using freedom as an excuse for selfishness. He states:

"For the entire law is fulfilled in keeping this one command: 'Love your neighbor as yourself.'"

This suggests that the "neighbor" command is the functional heart of the Christian life. It moves the focus from "What can I do for myself?" to "How can I serve others?"

James and the Royal Law

In the Epistle of James, the author refers to the "love your neighbor" command as the "Royal Law" (nomon basilikon).

James 2:8 states:

"If you really keep the royal law found in Scripture, 'Love your neighbor as yourself,' you are doing right."

James uses the term "royal" because this law comes directly from the King (God/Jesus) and holds supreme authority over all other social interactions. He argues that if you show favoritism (for example, being nice to the rich while ignoring the poor), you have violated this royal law and are a lawbreaker.

Comparison of Bible Translations

The phrase "Love thy neighbor as thyself" is most famously associated with the King James Version (KJV). Modern readers often encounter variations depending on the translation they use.

Translation Verse Phrasing
KJV "Thou shalt love thy neighbour as thyself."
NIV "Love your neighbor as yourself."
ESV "You shall love your neighbor as yourself."
NLT "Love your neighbor as yourself."
The Message "Love others as well as you love yourself."

The shift from "thy" to "your" reflects the evolution of the English language, but the core mandate remains unchanged. The KJV's use of "thy" was actually the singular form of "you" in the 17th century, emphasizing that this is a personal, individual responsibility.

The Philosophical Tension: Loving Yourself

A common question arises from the phrase "as yourself." Does the Bible command us to love ourselves first?

Biblical scholars generally agree that the text assumes a healthy level of self-concern is innate to the human condition. We feed ourselves when we are hungry; we protect ourselves from pain; we seek shelter and comfort. The command uses this natural self-interest as a benchmark. It tells the reader: "Take that same energy and focus you naturally use to take care of your own needs, and apply it to the people around you."

It is not a command for narcissism, but a command for empathy. It asks us to recognize that other people have needs, fears, and desires just as real and pressing as our own.

What Does Loving Your Neighbor Look Like Today?

In a modern, globalized world, "loving your neighbor" can feel overwhelming. With the internet, our "neighbors" could be people on the other side of the planet. However, the biblical intent focuses on the immediate and the practical.

Practical Applications

  1. Integrity in Business: Treating customers and employees with fairness is a direct application of Leviticus 19.
  2. Speech and Social Media: Refraining from "bearing a grudge" or "slandering" others (as mentioned in the context of the verse) translates directly to how we speak about others online.
  3. Active Compassion: Like the Good Samaritan, it involves noticing the "man on the road"—the person in your community who is struggling—and taking tangible steps to help.
  4. Forgiveness: The verse in Leviticus explicitly connects loving a neighbor with the refusal to seek revenge. Forgiveness is perhaps the most difficult form of love.

Why is This Verse So Important?

The reason "love your neighbor as yourself" appears repeatedly throughout the Bible is that it serves as the ultimate "litmus test" for spiritual health.

The First Epistle of John makes this point bluntly: "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" (1 John 4:20).

Loving God (the first commandment) is often seen as an abstract or private endeavor. Loving your neighbor (the second commandment) is the visible evidence of that love. You cannot claim to honor the Creator while mistreating His creation.

Frequently Asked Questions

Where is the "Love thy neighbor" verse in the Bible?

The command first appears in the Old Testament in Leviticus 19:18. In the New Testament, it is quoted by Jesus in Matthew 22:39, Mark 12:31, and Luke 10:27. It is also cited by Paul in Romans 13:9 and Galatians 5:14, and by James in James 2:8.

Who said "Love thy neighbor as thyself"?

It was originally part of the Mosaic Law given to the Israelites. However, it was famously emphasized and expanded by Jesus Christ during His earthly ministry. The apostles Paul and James later reinforced it in their letters to the early church.

What is the "Golden Rule" vs. "Love thy neighbor"?

The "Golden Rule" is found in Matthew 7:12: "So in everything, do to others what you would have them do to you." While the wording is different, the meaning is essentially the same as "love your neighbor as yourself." Both commands use self-treatment as the standard for how we should treat others.

Does "neighbor" mean only the people living next door?

No. While the literal meaning in ancient times referred to those in your immediate community, Jesus redefined "neighbor" through the Parable of the Good Samaritan to include anyone in need, regardless of their race, religion, or social status.

Is "Love thy neighbor" the greatest commandment?

Jesus said it is the second greatest commandment. The first is to "Love the Lord your God with all your heart, soul, mind, and strength." However, Jesus noted that the second is "like" the first, meaning they are inseparable.

Summary

The command to love your neighbor as yourself is the unifying thread that runs from the ancient laws of the Torah to the teachings of Jesus and the letters of the apostles. It is found primarily in Leviticus 19:18, Matthew 22:39, Mark 12:31, and Luke 10:27.

At its core, this verse is a call to move beyond tribalism and self-interest. It defines love not as a fleeting emotion, but as a commitment to the well-being of others. Whether you view it through a religious lens or an ethical one, the instruction remains a profound challenge: to treat every human being with the same dignity and care that we instinctively desire for ourselves. By fulfilling this "Royal Law," we fulfill the very essence of what it means to live a righteous and meaningful life.