For the ancient Hebrew, if you were to ask them about the sea, they would say that it was a place of great chaos, dread-waters, and danger. In this section of Mark, the disciples find themselves in the middle of all that water represents in the Old Testament. Christ takes on this source of evil and rebukes it. In confronting the sea, Christ is really confronting the enemies of God and his people. He says to that great enemy of our souls, “Be still, and be silent!”