to understand. Their ears will not hear. Their eyes cannot see. Just like Pharaoh’s heart, their hearts are hardened. In the context of Isaiah 29, Isaiah says that God has provided a vision to Jerusalem but the people treat it like a sealed document. Either they refuse to open the document or they say they are unable to read. If we think of this “sealed document” as a kind of foreshadowing of the gospel with which Paul has been entrusted, we can understand his frustration with Israel and his sense
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