This verse was the culmination of Paul’s allegory. Paul began with the strong contrastive ἀλλὰ. He used this emphatic adversative to point the reader directly to the testimony of Scripture itself. In verse 29, Paul described the “chasing” or “persecuting” of Ishmael toward Isaac. The use of the strong adversative shows Paul was acknowledging the Galatians to be children of the promise. Just like Hagar and Ishmael were sent away because of the persecution toward Isaac, so also Paul used Sarah’s words, which he rightly credits them as the words of Scripture, to rally the Galatians to do the same toward the Judaizers. Notice the present tense of λέγει. Following the interrogative τί, this verb while present also has a perfective flavor to it. Not only does the Scripture speak, but it continued to speak to the Galatians personally. Paul used this same perfective perfect in Rom. 10:16 and 1 Tim. 5:18. In an interesting turn, Paul quoted Genesis 21:10 from the LXX, telling the Galatians to Ἔκβαλε those who are slaves to the law!…show more content… This imperative both directed the Galatians on what to do but also served as a warning that if they would side with the Judaizers they would be thrown out from the inheritance as “children of the slave-woman.” Paul was not shouting for every ethnic Jew to be banished from their midst, nor did he want to drive out gospel-believing Jewish believers from among
