The phrase 'Do not fear' is the most frequently used phrase in all of scripture. In this passage, we see Jesus address fear and we see his faith in his Father. We also see Jesus as God. The disciples would have known truth; they would have known Psalm 107. They would have grown up hearing the stories of God's deliverance over and over again and yet they were afaid. The secret to the kingdom of God is revealed in this passage - Jesus is God. Jesus calmed the storm revealing his deity. And in this, we can rest and live with complete assurance.