Both readings converge on a single, powerful theme: true repentance requires a heart-change, not just outward signs. Nineveh, a pagan city responded immediately to Jonah’s warning, fasting and turning from evil. This earned them God’s mercy. Jesus confronts a "wicked generation" that demanded sign ignoring the Truth standing before them. He identifies as the "Sign of Jonah." Just as Jonah’s presence was enough to convert Nineveh, Jesus’ presence, and His coming resurrection, is the ultimate call to turn back to God. We are challenged to recognize that "something greater" is already here.