The UnityOfTheFaith is necessary for us to experience the UnityOfTheSpirit.
KnowledgeOfTheSon is knowing who Jesus is.
We are perfect in the NewSpirit but we are not perfect in our souls. That perfection comes through the ministry of the HolySpirit by the FiveFoldMinistry.
The objective being that we come to grasp the MeasureOfTheStature of our Lord and begin manifesting the FulnessOfChrist.