God: "I looked for someone to take a stand for me, and stand in the gap" (Ezekiel 22:30)
It give expression not merely to our sense that we have received salvation from Him, but also to our appreciation of what it cost Him to procure this salvation for us. It is the name specifically of the Christ of the cross. Whenever we pronounce it, the cross is placarded before our eyes and our hearts are filled with loving remembrance of not only that Christ has given us salvation, but that He paid a mighty price for it.