In Greg Elmquist's sermon "Christ, God's Plumbline," the main theological topic revolves around the sovereign authority of Christ as the ultimate standard of righteousness. Elmquist emphasizes that, like a plumb line, Jesus serves as the true measure by which all human actions and beliefs are tested, drawing upon Amos 7:7-17 to illustrate God's message of judgment against those who reject Him. Significant points include a contrast between trusting in one's own righteousness versus relying on Christ alone for salvation, as well as the dangers of mixing grace with works, which he explicates through vivid imagery and personal anecdotes. The sermon underscores the doctrinal significance of Christ's perfection as the sole means of salvation, inviting believers to rest wholly upon His righteousness rather than their flawed efforts (Psalm 62 and Isaiah 28 are also referenced to reinforce this theme).
Key Quotes
“A plumb line is an old tool...It always was true.”
“When the Lord uses a plumb line to illustrate for us and reveal to us the person of the Lord Jesus Christ, he is saying to us, this is the standard by which all will be tested.”
“If it is of grace, it can no longer be of works. Otherwise, grace is not grace.”
“The plumb line always exposes us for what we are. And we want to be exposed.”
The Bible portrays Christ as the ultimate standard, likening Him to a plumb line against which all must be measured.
In the book of Amos, God uses the imagery of a plumb line to signify His standard of righteousness, represented perfectly in the person of Jesus Christ. This plumb line illustrates that all human works and righteousness are ultimately inadequate and must be measured against the perfection of Christ’s righteousness. Just as a plumb line ensures that walls are straight, Christ is the unyielding standard by which all will be judged. Those who trust in their own righteousness are like a bowing wall, but true believers find their stability in Christ alone, who is the embodiment of God's holiness and grace.
Amos 7:7-9, Isaiah 28:16, Jeremiah 23:6
Scripture reveals that Christ is our righteousness, offering His perfect obedience to God as our only hope for salvation.
In Scripture, particularly in passages like Jeremiah 23:6 and Zechariah 4:7, we see that Christ is called 'the Lord our righteousness.' This title emphasizes that He is the source of all righteousness for believers. The plumb line serves as a metaphor for God's perfect standard, and because none can meet this standard through their own efforts, Christ’s perfect life and sacrificial death become our righteousness. When we stand before God, it will not be based on our merit but rather on the imputed righteousness of Christ, who fulfills all that the law demands.
Jeremiah 23:6, Zechariah 4:7, Romans 3:22-24
Reliance on works undermines the grace of God and leads to spiritual collapse, as human efforts cannot save.
When Christians lean on their own works for salvation, they risk falling away from the grace that is found in Christ alone. As noted in Amos 7, Israel's downfall was tied to their attempt to establish a righteousness of their own rather than accepting God's standard in Christ. This belief in self-righteousness is compared to a wall built with undried mortar, which cannot stand. True security and salvation depend on grace, not on our efforts. The righteousness that pleases God comes exclusively through faith in Christ, who is the true fulfillment of the law and the source of redemption.
Amos 7:7-17, Romans 4:4-5, Ephesians 2:8-9
Christ, as the cornerstone, is foundational to our faith, ensuring that all who believe are built up in His righteousness.
The metaphor of Christ as the cornerstone is vital for understanding the nature of salvation. A cornerstone is the first stone set in construction, establishing the position and stability for the entire structure. In Isaiah 28:16, God promises to lay a precious cornerstone in Zion. This points to Christ, who is the foundation of our faith. Without Him, our efforts are like a building without a solid base, destined to collapse. Believers are recognized as living stones, built upon Him, and this reinforces the truth that salvation comes from Him alone, offering hope and stability in a world of uncertainty.
Isaiah 28:16, Ephesians 2:19-22, 1 Peter 2:4-6
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