"Carter's openness to religious truth makes talks of religious categories rather superfluous, which was indeed a major irritation for the early critics of the open-minded, non-credal statements of his songs. That two of his most popular lyrics, "One More Step" and "Travel On", should invoke the concept of journey was indeed no coincidence. In this voyaging faith of interrogatives, the creed lay in the question mark, often of a Zen-like paradox."