But the testimony which I have is greater than that of John, for the works which the Father gave me to accomplish, the very works that I do, testify about me, that the Father has sent me.

 The first essential towards receiving the power of Jesus is to have intense desire for it. Jesus says: "Do you really want to be changed?" If in our inmost hearts we are well content to stay as we are, there can be no change for us. 