From Dangerous Calling by Paul Tripp:
You could argue that every worship service is little more than a glory war. The great question of the gathering is, will the hearts of this group of people be captured by the one glory that is truly glorious or by the shadow glories of the created world?
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They come into worship in the middle of a war that they probably don’t recognize. It is a war for the allegiance, the worship, of their hearts. In ways they probably don’t understand, they have again and again asked the creation to give them what only the Creator can provide. They have looked horizontally again and again for what can only be found vertically. They have asked people, situations, locations, and experiences to be the one thing they will never be: their savior. They have looked to these things to give them life, security, identity, and hope. They have asked these things to heal their broken hearts. they have hoped these things would make them better people. So, a glory war rages, and wounded soldiers sit before you. It is a glory war, a battle for what glory will rule their hearts and, in so doing, control their choices, words, and behaviors.
Dangerous Calling, Paul Tripp, Crossway, 2012, pp 138, 139-140.