Why? Because they did not pursue it by faith, but as if it were based on works. They have stumbled over the stumbling stone,
32. Not by faith, but as it were by works, etc. As false zeal seems commonly to be justly excused, Paul shows that they are deservedly rejected, who attempt to attain salvation by trusting in their own works; for they, as far as they can, abolish faith, without which no salvation can be expected.
The apostle comes here at last to fix the true reason of the reception of the Gentiles, and the rejection of the Jews. There was a difference in the way of their seeking, and therefore there was that different success, though still it was the free grace of God that made them differ. He concludes like an orator, What shall we say then?
Commenting on Romans 9:30-33
As it is written,.... In Isa 8:14; for the beginning and end of this citation are out of the latter, and the middle of it out of the former. This is an instance of "skipping", from place to place, concerning which the rules with the Jews were (s), that the reader "might skip from text to text, but he might not skip from prophet to...