When the apostle Paul was Saul, he was a very aggressive young man. Everything with him was "I, me, my, and mine." With Saul it was "I first, my and mine in the middle, and me last." Everything was Saul of Tarsus. But the Lord Jesus knocked him down on the road to Damascus, and Saul asked, "Who are You, Lord?" (Acts 9:5). The Lord said, "I am Jesus" (v. 5). The Lord was saying, "I am the great I Am. I am the One that is. You must believe that I am and you are not." Eventually, Saul changed his name. Saul was over, and Paul came up (Acts 13:9 and note 1). This Paul was the one who told us, "It is no longer I who live, but it is Christ who lives in me." This is to believe that God is.
Nothing can make the unique God happy except one thing. That is faith. Faith is to believe that God is. Then I would check with you, "If only God is, where are you?" The first stanza of Hymns, #483 says, "Buried with Christ, and raised with Him too;/What is there left for me to do?/Simply to cease from struggling and strife,/Simply to walk in newness of life./Glory be to God!" Where are you? You are in the tomb. Today who are you? You need to say, "It is no more I, but Christ." I would like again to refer to what Darby said: "O the joy of having nothing and being nothing, seeing nothing but a living Christ in glory, and being careful for nothing but His interests down here." This is faith. We care for nothing but His interest. We should always say, "Not I, not me, not my, not mine; but He, Him, His. He is the first and the last and everything in between." "Christ, only Christ" (see Hymns, #591—stanza 5).