Are Old Testament Promises to Israel Applicable to Gentile Christians?

In his "Look at the Book" video lab, John Piper explains why it is valid--and urgent--for Gentile Christians to take OT promises, such as Isaiah 41:10, as applying to them.  The line of reasoning presented here has far-reaching implications for how Christians handle the Word of God.

"Fear not, for I am with you; be not dismayed, for I am your God; I will strengthen you, I will help you, I will uphold you with my righteous right hand" (Isaiah 41:10).

A Precious Promise!

Hebrews 13:5 gives believers priceless comfort: God says, “Never will I leave you; never will I forsake you.” In other words, no circumstance in all the world (use your imagination) can separate Jesus’ loved ones from him. The Greek in 13:5 piles up negatives—five of them—to say with fierce certainty: the Lord NEVER abandons his children.

So too, our Good Shepherd offers similar promises of his invincible care in John 10:27-29: “My sheep listen to my voice; I know them, and they follow me. I give them eternal life, and they shall never perish; no one can snatch them out of my hand. My Father, who has given them to me, is greater than all; no one can snatch them out of my Father’s hand.”

Of course, Hebrews 13 also shows that sometimes God’s people do end up in prison (v 3). And 10:32-34 speaks of believers having their homes plundered and facing intense persecution. So this letter is not naïve; there’s no promise of sheer smooth sailing. If you’re inter­ested in Jesus in order to get a comfortable ride through this rugged world, think again: that’s not the Jesus of the Bible.

God promises to be with us, not to make life easy. “… neither death nor life, neither angels nor demons, neither the present nor the future, nor any powers, neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord” (Romans 8:38-39).

When Hebrews 13:6 declares “I will not be afraid,” a poignant ques­tion follows: “What can man do to me?” And, of course, people can do a lot of terrible things to us—steal from, malign, hurt, even kill us. That’s pre­cisely what Hebrews 13:3 and Romans 8:38-39 acknowledge. But fear not, that’s all they can do: all they can do is kill you.

What people CANNOT do to you is infinitely more important: Satan and his demons and anti-Christian enemies around us cannot touch our Heavenly Father’s love for us and our secure standing as his justi­fied, redeemed, adopted, chosen, forgiven children! In Christ your inheritance is secure (it’s “imperishable, undefiled, and unfading, kept in heaven for you,” 1 Peter 1:4; see also John 16:33; 1 John 4:4).

So then, with thanks for these priceless promises, make sure: 1) your hope in Jesus ultimately is centered on the eternal consolations of the life to come and not on being spared trouble today, and 2) your faith is ready to face and stand up under pressure.

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Praying God's Word

Since God is God and not our peer, and since God has spoken (i.e., revealed himself and his purposes in human language through his holy, inspired Word, the Bible), it would follow that we’d want to pray to God about the matters HE has already brought up. How foolish it would be for us to sit down in God’s presence and talk (i.e., pray), prattling on and on about our agenda and disregarding his (i.e., the Bible). This was my point last Sunday: we ought to prioritize “praying the Word,” taking what God says and turning it around in the form of prayers to him. We can do this in various ways. Let me mention two:

First, by echoing prayers recorded in the Bible. Jesus gave “The Lord’s Prayer” (Matt 6:9-13) as a model, but there are hundreds of other biblical examples too. Psalms consists mostly of prayers (praise, thanks, confes­sion, lament, longing…). Let these heart-cries become your own as you read and reflect on them. A few other biblical prayers are: Gen 32:9-12; Josh 7:6-9; 2 Sam 7:18-29; 1 Kgs 8:22-61; 1 Chr 17:16-27; 29:10-19; 2 Chr 20:5-12 (desperation); Ezra 9:6-15; Neh 1:4-11; 9:6-38; Job 42:1-6; Ps 51 (confession); Ps 67 (mission praise); Isa 37:16-20; Jer 32:16-25; Dan 9:3-19; John 17; Acts 4:24-31 (a knock-out praise); Eph 1:15-23; 3:14-21 (a lofty vision!). If you pray these texts, watch out!

Second, by turning every kind of Bible passage into prayer. Take promises for example: thank God for what’s promised; confess past failures to trust the promise; ask for help to rest in what’s promised. Or commands: confess failure to obey; plead for power to obey; ask for discernment how to obey (e.g., when to love your neighbor by saying yes and when by saying no). Or warnings: ask God to humble our hearts so we’d gladly heed his warnings (rather than being resistant); thank God for guarding us against some danger by giving the warning. Or stories: ask for wisdom to identify the main thrust of the story; then pray for power to obey what’s taught; give praise to our Great God for how he acts in the various biblical narratives (e.g., his prison rescues in Acts 5, 12, and 16!). Whatever the genre, let it catapult you to God in praise, confession, thanks, and petitions in related to his message!

What happens when we “pray the Word”? The Lord lifts us up from the earth-bound bog of anxieties and self-groveling, setting our sights on the majestic peak of his glory. Our prayers are enlarged, our faith is built up, our fellowship is enriched, and our hearts are moved with awe at God!

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