If, through Christ, the understanding is already within believers why do so few understand? Maybe because we are continually being encouraged (i.e. sidetracked) by the spirit of this world to overlook the miraculous wisdom we have in Christ. Christ is our wisdom. He is our understanding, and this understanding cannot be measured. And yet, I suspect we keep trying to force a measurement upon it so that we might figure out how we compare to one another in this understanding.
How can you realize the freedom you have in Christ? I say that you will discover it, more times than not, in the midst of the bondage that still seems to hold you down. You see, the power of the gospel is not found merely in the words of its testimony of Jesus’ death and resurrection, it is found in the reality that has been brought about because of who he is and what he has done. That reality is that Christ is in you. He is there, and his life witnesses from within you … despite all the doubts that you think actually come from within you. source