Jane Smiley (2010). The Man Who Invented the Computer: The Biography of John Atanasoff, Digital Pioneer. Random House Digital, Inc. ISBN978-0-385-52713-2. «Al igual que Alan Turing, Zuse fue educado en un sistema que se centraba en la vida emocional y filosófica del niño, así como en su vida intelectual, y al final de la escuela, al igual que Turing, Zuse se encontró a sí mismo como un extraño - para decepción de sus padres, muy convencionales, ya no creía en Dios o en la religión.»
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Zuse, Konrad (1993). Wössner, Hans, ed. The Computer, My Life. Berlin/Heidelberg, Germany: Springer-Verlag. pp. 12-13, 75. ISBN978-3-540-56453-9. «The only problem was that the progressive spirit at our school did not always correspond to my parents' ideas. This was particularly true for religious instruction, which now and again seemed even to us pupils to be rather too enlightened. After the 'Abitur' my parents wanted to go to communion with me; it was a terrible disappointment to them when I wouldn't go. They had lived under the illusion that I was a good student when it came to religion, too, which wasn't the case. […] I remember a poem presented by a student, which made a great impression on me. The essence of the poem read, "Basically, you are always alone". I have forgotten the name of the poet, but have often experienced the truth of these words in later life.»
