By Luke Sills
The Greatest Commandment: Loving God and Loving People
A teacher once asked his students, “How can we keep the greatest commandment?”
One student answered, “By praying often.”
Another said, “By reading Scripture every day.”
A third replied, “By going to church faithfully.”
The teacher nodded and said, “These are good. But let me tell you a story.”
A woman was driving home when she saw her neighbor’s car broken down. She thought, I’m tired, I don’t have time, and drove past. Later, she saw another neighbor struggling with heavy groceries and thought, Someone else will help, and kept walking.
That night she prayed, “Lord, I love You with all my heart.”
But the Lord answered, “If you love Me, why did you pass Me on the roadside? Why did you ignore Me in the stairwell? For whatever you do for the least of these, you do for Me.”
The students sat in silence. Then the teacher said,
“To love God fully is to love your neighbor as yourself. The two cannot be separated. In loving them, you love Him.”
This story brings us to the question: What is the greatest commandment, and how do we live it out in daily life?
The Greatest Commandment in Scripture
In Matthew 22:34–40, a lawyer asked Jesus, “Teacher, which is the great commandment in the Law?”
Jesus replied:
“You shall love the Lord your God with all your heart and with all your soul and with all your mind. This is the great and first commandment. And a second is like it: You shall love your neighbor as yourself. On these two commandments depend all the Law and the Prophets.”
In that one answer, Jesus summarized the entire Old Testament. Out of 613 laws—248 commands and 365 prohibitions—He pulled out two. Love God fully. Love others as yourself.
Everything else hangs on these two pegs.
Loving God with Everything
Jesus quoted the Shema from Deuteronomy 6:5: “Love the Lord your God with all your heart and with all your soul and with all your might.”
This isn’t a half-hearted love. It’s total devotion—heart, soul, mind, and strength. Yet, in our brokenness, this command feels impossible. Left to ourselves, we can’t love God perfectly. That’s why we need Christ’s saving grace and the Spirit’s power.
But as believers, we grow in this love as we walk with God. Like the poor widow who gave her last two coins in Mark 12:41–44, we show our love by trusting Him with everything. She gave not from abundance, but from sacrifice—an undivided heart surrendered to God.
That’s the challenge: to move beyond a divided heart. Sports, jobs, money, and even good things can pull our devotion away from God. But the greatest commandment calls us to love Him first, above all else.
Loving Others as Ourselves
The second commandment flows from the first. If the vertical beam of the cross represents loving God, the horizontal beam represents loving others. Without both, the cross is incomplete.
Jesus illustrated this love in the parable of the Good Samaritan (Luke 10:29–37). The priest and Levite walked by the wounded man, but the Samaritan stopped, sacrificed, and cared as if the man’s needs were his own. That’s what it means to “love your neighbor as yourself.”
True love moves beyond feelings into action. It forgives, serves, and sacrifices. It looks for the person we’d rather avoid—the lonely coworker, the struggling neighbor, even the one who wronged us—and asks, If I were in their place, how would I want to be treated?
Fulfillment in the Cross
Jesus said all of Scripture hangs on these two commandments. And He Himself fulfilled them perfectly.
Vertical love: Jesus obeyed the Father fully, even to the point of death (Philippians 2:8).
Horizontal love: Jesus laid down His life for us while we were still sinners (Romans 5:8).
At the cross, His arms stretched upward in perfect devotion to God and outward in sacrificial love for people. The beams meet in Him.
Living the Greatest Commandment
So how do we carry this out?
Check your vertical love: Am I giving God my first devotion in prayer, worship, and obedience?
Live horizontal love: Who has God placed in my path today? Am I willing to serve, forgive, or sacrifice for them?
One simple prayer can shape this daily:
“Lord, help me to love You fully and love others freely, so people see the cross in my life.”
It may feel impossible at times—but look to Jesus, the one who fulfilled the command perfectly. He is both our example and our strength.
Conclusion
The greatest commandment is not two separate rules but one complete picture. To love God is to love others. To love others is to love God.
As we surrender to Christ, His love fills us, flows through us, and points the world to the cross.