One of the most dramatic and world-renowned shifts from "I" to God is the conversion of C. S. Lewis. This little man, who held the chair of medieval and Renaissance Literature at Cambridge, sat in his study without typewriter or secretary and penned the great masterpieces which made him perhaps the most broadly-read Christian writer of our century. C. S. Lewis was an agnostic, but was Surprised By Joy the title of a book in which he tells about "The Shape of My Early Life" as Christ replaced the "I" in his life.
C. S. Lewis describes the exchange between self-will and God's will in Beyond Personality (and his words are a challenge to you and to me): "Christ says, 'Give me all. I don't want so much of your money and so much of your work I want you. I have not come to torment your natural self, but to kill it. No half-measures are any good. I don't want to cut off a branch here and there, I want to have the whole tree down. I don't want to drill the tooth, or crown it, stop it, but to have it out. Hand over the whole natural self instead. In fact I will give you myself, my own will shall become yours.