All quotations of the Old Testament (OT) in the New Testament (NT) are significant. Yet when a particular OT passage is cited multiple times, we do well to study why the NT persons and writers viewed this text as so important. Such is the case with Isaiah 6:9-10, a text quoted in the NT five times in connection with national Israel’s rejection of Jesus as Messiah.
The context of Isaiah 6:9-10 is the prophet Isaiah’s commission to disobedient Israel around 740 B.C. Isaiah’s message to Israel would not result in the nation’s repentance but would result in their being further hardened: