For the promise to Abraham and his offspring that he would be heir of the world was not given through the law, but through the righteousness that comes by faith.
KJV
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.
ASV
For not through the law was the promise to Abraham or to his seed that he should be heir of the world, but through the righteousness of faith.