There’s no one section where Jesus lays out how a relationship with him radically changes our human relationships and forms a new, deep, radical human community in Christ. It’s not in one place — it’s all throughout the Sermon on the Mount. 
The Sermon on the Mount is really a description of a new kind of community. What does Jesus teach us about this radical new community that is formed by his gospel message? When it comes into your life, how does it create this new community between those who believe in Jesus? 
Jesus teaches us four things: 1) the necessity of this new community, 2) the intensity of this new community, 3) the symmetry of this new community, and 4) the causality of this new community.
This sermon was preached by Dr. Timothy Keller at Redeemer Presbyterian Church on May 16, 1999. Series: The Mount; Life in the Kingdom. Scripture: Matthew 5:21-24, 45-48; 7:1-6.
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Released on 21 Jul 2025