Greatest Commandment Christian
Dear children, I will be with you only a little longer. And as I told the Jewish leaders, you will search for me, but you can’t come where I am going. So now I am giving you a new commandment: Love each other. Just as I have loved you, you should love each other. Your love for one another will prove to the world that you are my disciples. John 13:33-35
Growing up in a two-parent household often meant feeling caught between both of my parents. My Dad was generous and always eager to help people in need, sometimes offering his spare change. In contrast, my mom was a sharp strategist. She could quickly assess situations and provide clear guidance. She volunteered her advice, helping others gain confidence by understanding what was happening. As their child, I received encouragement from both sides: my dad urged me to be kinder to others, while my mom taught me to grasp the process behind things. I imagine they sometimes disagreed on how best to raise me, but their strong partnership reassured me, even when being grounded was not enjoyable. Ultimately, I always felt loved, which struck the right balance.
Within the Christian community, there is frequently debate regarding interpretations of the Bible. This divergence stems from varying emphases: some individuals focus on God's commandments as the foundation of His authority in their lives, while others highlight the sovereignty of Jesus Christ and His teaching concerning the greatest commandment: to love God and others (Matthew 22:37–39). Even among those who attempt to integrate these perspectives, there is often a tendency to prioritize one over the other.
I tend to favor the latter opinion. The reason is that Jesus fulfilled the law’s requirements, offering His sacrifice on the cross not just for Himself but for everyone. This does not lessen the significance of what came before Christ; it is still important to grasp all of Scripture to live in alignment with God. Still, Jesus brought new insight. He reaffirmed The Greatest Commandment and provided His followers with an additional command that stems from it.
In John 13:33–35, Jesus is speaking to His disciples during the Last Supper. The cross is only hours away, though the disciples do not yet understand what is coming. Knowing His time with them is short, Jesus leaves them with a simple but profound instruction:
“So now I am giving you a new commandment: Love each other. Just as I have loved you, you should love each other. Your love for one another will prove to the world that you are my disciples.” (John 13:34-35)
What makes this command remarkable is not just the call to love. That is the standard for that love. Jesus says, “As I have loved you.”
The disciples witnessed that love firsthand. They saw Jesus show compassion to the sick, patience with those who misunderstood Him, and mercy toward those society had rejected. They saw Him correct people with truth while still caring deeply for them. And soon they would see the ultimate expression of that love on the cross.
Jesus could have said the world would recognize His followers by their knowledge of Scripture or their commitment to religious practice. Instead, He pointed to something visible and unmistakable: love.
This kind of love is not merely emotional warmth. It is a daily posture of the heart. It means choosing patience when frustration would be easier. It means extending grace when someone has wronged us. It means caring about the well-being of others, even when doing so requires sacrifice. Even the most hardened Old Testament Christian cannot argue this.
For Christians, love is not optional. It is evidence of transformation. When the love of Christ begins to shape our hearts, it naturally flows into how we treat people around us. And that is exactly what Jesus says will set His followers apart.
The world may debate theology or question the church, but it cannot easily ignore genuine love. When people see humility instead of pride, kindness instead of hostility, and forgiveness instead of bitterness, they are witnessing something that points back to Christ.
This does not mean Christians will always get it right. We are imperfect people learning to follow a perfect Savior. But when we continually return to the example of Jesus and allow His love to shape us, we begin to reflect Him more clearly.
In the end, Jesus gave His disciples a way to examine their lives. Not by asking how convincing their arguments were, but by asking a simpler question: Do others experience the love of Christ through us? That is the mark of a Christian. Is there someone in your life right now who needs to experience the love of Christ through you? How might your words or actions today reflect the love Jesus showed His disciples?
My prayer is that we are thankful for Christ’s perfect and sacrificial love. That it may teach us to love others the way He has loved us, shape our hearts so that our words, actions, and attitudes reflect His grace, and that people see His love through our lives and be drawn closer to You, and that we represent a Greatest Commandment Christian. Amen.