Anyone willing to risk falling into the trap of overanalyzing his books might begin by noting that they have been used to teach Christian doctrine, even though he did not consider himself a highly religious person. Still, he was steeped in Christianity.
Geisel not only attended his mother’s Episcopal church but his father’s Lutheran congregation. Later, at Dartmouth and Oxford, he participated in chapel services.
He was drawn to church in part by hymns and their use of rhyme and repetition. One particular hymn seems significant. He memorized “Holy, Holy, Holy, Lord God Almighty,” including the final lines, “God in Three Persons, blessed Trinity.” Perhaps Geisel recalled the song’s numerical reference when he depicted the Grinch’s conversion in the book: