When we stop clinging to what we know and what we are, we can go out into the world without fear, insecurity, resentment, and judgment, as true Children of God. The image of a playing child helps us see alternatives to our childish attitudes.
The Pharisees were not wrong to question Jesus, but as much as we might want to empathize with them, to agree that there are simply certain things good people do not do, Jesus rejects human propriety as an orienting standard. Jesus is talking about the human heart, something Christians today also must consider.
The power of state in both Greco-Roman times as well as today hinges upon a hierarchal power structure. Jesus, however, calls us to compassion in a horizontal social structure.
Christ is the Lord of the storm. We can leave fear behind and cross over to the other shore.
It is the crucified Christ who sends us out to his sisters and brothers who are being crucified by the powers-that-be every day. Are we willing to do what Jesus requires and die in the process? Or will we deny Jesus in order to save ourselves?