Neither, because they are the seed of Abraham, are they all children: but, In Isaac shall thy seed be called.
Neither, because they are the seed of Abraham, are they all children: - q.d., 'Not in the line of mere fleshly descent from Abraham does the election run; else Ishmael, Hagar's child, and even Keturah's children, would be included, which they were not.'
But (as the promise runs), in Isaac shall thy seed be called (Genesis 21:12). 'On this principle, the true Election consists of such of Abraham's seed as God hath unconditionally chosen.'