Complex sentence: The goal of modern thelogy is to look for new categoires to present a theological essence, this is usaually understood in the terms of a "mystery that transcends the new categories used for its expression" (Kevin J. Vanhoozer).
Split into simpler sentences: The goal of modern theology is to look for new categories to present a theological essence. This is usually understood in the terms of a "mystery that transcends the new categories used for its expression" (Kevin J. Vanhoozer).