What does it mean that the church is an immovable rock?

The imagery of the church as an immovable rock, as seen in Zechariah 12:3, emphasizes the unshakeable nature of God's people in the face of adversity. This rock represents Christ Himself, the foundation upon which the church is built. The assurance is that, despite the various assaults from the world and attempts to undermine grace, the church will stand firm. It reflects the reality that God's truth and the gospel remain unchanged and will prevail as He has ordained. Thus, Christians find encouragement in knowing that their faith is anchored in an eternal and immovable entity, providing both security and strength.