Matthew Poole and continuators on Romans 4:16

16 Therefore it is of faith, that it might be by grace; to the end the promise might be sure to all the seed, not to that only which is of the law, but to that also which is of the faith of Abraham, who is the father of us all.

Abraham's Seed is of two Sorts. One Sort is of the Law, to wit, the Iews. Another Sort is, of such as walk in the Steps of Abraham's Faith, whither Iews or Gentiles. To all these the Promise must be sure; which cannot be, if the Law be made the Condition or Means of the Inheritance.

Here are Two New Arguments to Prove, That the Inheritance is not of the Law, but of Faith. It is of Faith, that it might be by Grace; for to be Iustified by Faith, and by Grace, are all one with the Apostle. Again, That the Promise might be sure to all the Seed; whereas, if it were of the Law, it would be unsure and uncertain, because of Man's Weakness, who is not able to perform it.

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