The transfiguration unveiled the nature of Christ's kingdom glory. In an age of unbelief we must act on our faith in the victory of Christ over all things.
Like the Pharisees Peter saw the issue of Christ's identity in man-centred terms. To follow Jesus means to deny our own interests and to prioritize His interests.
When Jesus visits the region of Tyre and Sidon in Mark 7 and 8 he goes from being in the midst of the Jews to being in the midst of the Gentiles. This is the foreshadowing of the future mission to the Gentiles and the anticipated renewal of Creation subject to our Lord Jesus Christ.
Jesus says it is a higher priority to honour your father and mother with your money than it is to will your estate to the church.
The righteous represent God's justice to a culture in rebellion; thus they are feared and must be eradicated.
Though we encounter death, we do not need to fear when Jesus is with us. Resurrection is part of the mystery of the kingdom of God which Jesus is revealing.