For the promise, that he should be the heir of the world, was not to Abraham, or to his seed, through the law, but through the righteousness of faith. For if they which are of the law be heirs, faith is made void, and the promise made of none effect: Because the law worketh wrath: for where no law is, there is no transgression. Romans 4:13-15

So what is the promise and how do we obtain it? The Apostle Paul spends alot of time speaking about Abraham and how this relates to our salvation. The Promise was initially spoken to Abrham as scripture says “The promises were spoken to Abraham and His seed” (Galatians 3:16) and “I (God) will make You (Abraham) a great nation and I will bless you (Abraham) (Genesis 12:1-3) 

The promise made to Abraham that through His seed (Christ), God will make a great nation, multiply it as numerous as the stars and the grains of sand (Genesis 22:17-18) The Promise that all the nations (the entire world) would be blessed through Abraham seed (Genesis 12:3) And as the Apostle Paul says here “the heir of the world” not just Israel. 

The Apostle Paul also makes clear this Promise was not fulfilled through The Law, but through the righteousness of faith. As the Apostle Paul says “The Letter (Law) Kills, but The Spirit brings Life” (2 Corinthians 3:6) Salvation never came through The Law, it actually brings death. Salvation is by grace through faith in Christ (Ephesians 2:8) The Promise given to Abraham and his seed was by faith and not by any works, otherwise it would void the righteousness of faith

Who is the seed of Abraham? The Apostle Paul interprets this prophecy for us , “The promises were spoken to Abraham and to his seed. The Scripture does not say, “and to seeds,” meaning many, but “and to your seed,” meaning One, who is Christ” (Galatians 3:16) The seed is Christ , who came through Israel, God  incarnate through the virgin, to die for our sins and rise again on the 3rd day. Salvation comes through Christ alone, the promise seed of the entire world

This Promise is only obtained by faith in Christ. As Paul says “If those who are of The Law are heirs, faith has been made void, The Promise made no effect” If salvation was able to be obtained by works or “Keeping The Law”, then faith would be made void and the promise of salvation would be broken. It’s only by the works of Christ on the cross, that salvation made be possible, its only by faith in Christ that you can receive The Promise

Because The Law brings wrath, but as the Apostle Paul also says “Christ redeemed us from the curse of the law by becoming a curse for us.” (Galatians 3:13) Amen!