In his sermon titled "Cast Your Works Out," Frank Tate explores the theological significance of the narrative of Hagar and Ishmael's expulsion from Abraham's household in Genesis 21:8-13. He argues that this event symbolizes the distinction between the covenant of works and the covenant of grace, emphasizing that salvation is solely by grace and not by human effort. Tate supports his argument by referencing Galatians 4, where Paul allegorically interprets the two sons of Abraham as representatives of these two covenants. He highlights that Ishmael, born of Hagar, symbolizes dependence on works, leading to slavery, while Isaac, born of Sarah, represents the promise of grace that grants freedom and inheritance. The practical application of the sermon is a call for believers to renounce reliance on their works and fully trust in Christ alone for salvation, reinforcing the Reformed doctrine of salvation by grace through faith.
Key Quotes
“Salvation has to be all of works or all of grace. There's no in between. The two can never be mixed.”
“If we would be saved by grace, our works have got to go. We can't trust in it.”
“There can be no peace in our house until we cast out our works.”
“What you’ve done is you’ve made yourself a slave. A slave to the whole law and not a son.”
The Bible teaches that salvation is by grace alone, not through human works.
In Galatians 4, the Apostle Paul illustrates the contrast between the covenant of works and the covenant of grace through the story of Abraham's two sons, Ishmael and Isaac. Ishmael represents the fruit of human effort and the law, while Isaac symbolizes the promise and grace of God. This indicates that salvation cannot be a blend of grace and works; it must be solely by grace. As stated in Ephesians 2:8-9, we are saved by grace through faith, and not by works, lest anyone should boast. Therefore, trusting in our own works leads to bondage, while trusting in God’s grace leads to freedom.
Galatians 4:21-31, Ephesians 2:8-9
Faith alone saves because it relies solely on God's promise and not on our efforts.
The narrative in Genesis 21 and explained in Galatians reveals the essential truth that salvation hinges on God's promise rather than human effort. Isaac's miraculous birth serves as an allegory for the way salvation is bestowed—not through our merits but through divine grace. When we place our faith in Christ, we are trusting in His completed work, much like Isaac did not contribute to his own birth. This steadfast reliance on God’s promise is what authentic faith truly embodies, which is highlighted in Romans 10:9, affirming that if we confess with our mouth that Jesus is Lord and believe in our heart that God raised Him from the dead, we will be saved.
Genesis 21:8-13, Galatians 4:28, Romans 10:9
Trusting in grace is important because it frees us from bondage to the law and secures our eternal inheritance.
For Christians, trusting in grace rather than our works is crucial for experiencing true freedom and peace. The biblical narrative shows that the law demands perfection and leads to bondage, as illustrated by Ishmael being cast out. In contrast, God's grace, as depicted by Sarah and Isaac, assures us of our rightful status as heirs and children of God. By resting in His grace, we are free from the fear of condemnation and the relentless striving to earn acceptance. This is powerfully affirmed in Romans 8:1, where it states, 'There is therefore now no condemnation for those who are in Christ Jesus.' Our standing before God is secure through faith in Christ's work alone, allowing us to serve Him joyfully without the burden of our past failures.
Romans 8:1, Galatians 4:26-31, Genesis 21:10-13
The story of Ishmael and Isaac illustrates the difference between salvation by works and salvation by grace.
In Galatians 4, Paul uses the story of Ishmael and Isaac to depict the two covenants: the covenant of works (represented by Ishmael) and the covenant of grace (illustrated through Isaac). Ishmael, born of Hagar, symbolizes human effort and the law, which leads to slavery and death, while Isaac, born of Sarah, signifies God's promise and grace, leading to freedom and life. This dichotomy highlights that salvation cannot incorporate our works but must rely solely on the grace of God. Trusting in works leads one away from true salvation, emphasizing the essential need for believers to rest in the sufficiency of Christ's finished work alone, corroborated by Romans 4:4-5, which states, 'Now to the one who works, his wage is not counted as a gift but as his due. And to the one who does not work but believes in him who justifies the ungodly, his faith is counted as righteousness.'
Galatians 4:21-31, Romans 4:4-5
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