unconditional identification

I was reading Oswald Chambers the other day and I want to share some of what he says. I am afraid though that most will not get what he is saying but I feel compelled to share.
Mark 10:21 (NKJV)
  Then Jesus, ... said to him, "One thing you lack: Go your way, sell whatever you have and give to the poor, and you will have treasure in heaven; and come, take up the cross, and follow Me."
Jesus' primary consideration is my absolute annihilation of my right to myself and my identification with Him, which means having a relationship with Him in which there is no other relationships. Very few of us truly know what is meant by the absolute "go" of unconditional identification with and abandonment and surrender to, Jesus. " One then you lack... what is it that you lack?