Schadewald, RJ. "Six "flood" arguments creationists can't answer". National Center for Science Education . Retrieved 24 April 2010.

The third faction believes that knowledge is personal and experiential. They are dismissive of knowledge that comes from authoritative sources, especially book knowledge. This faction would like to find out themselves whether the Earth truly is round or flat. Because they distrust book knowledge and mathematical proof, this faction believes that the Earth is flat because their observations and lived experiences make it appear as if we live on a flat surface. This faction frames flat-Earth arguments as experimental. [89] Sung, Morgan (21 March 2019). "Good news everyone, Logan Paul doesn't actually think the Earth is flat". Mashable . Retrieved 1 July 2019. Grant, Edward (1974). A Sourcebook in Medieval Science (Source Books in the History of the Sciences). Harvard University Press. ISBN 978-0-674-82360-0.Early medieval Christian writers in the early Middle Ages felt little urge to assume flatness of the Earth, though they had fuzzy impressions of the writings of Ptolemy and Aristotle, relying more on Pliny. [6] 9th-century Macrobian cosmic diagram showing the sphere of the Earth at the center ( globus terrae) Tull, Herman Wayne (1989). The Vedic Origins of Karma: Cosmos as Man in Ancient Indian Myth and Ritual. State University of New York Press. pp.47–49. ISBN 978-0-7914-0094-4. The Vedic texts contain several depictions of the shape of the cosmos. The Rigveda alone contains two basic images of the cosmos: a bipartite cosmos, consisting of the two spheres of heavens and Earth, and a tripartite cosmos consisting of the three spheres of heavens and Earth (...) Pyramid Texts, Utterance 366, 629a–29c: "Behold, thou art great and round like the Great Round; Behold, thou are bent around, and art round like the Circle which encircles the nbwt; Behold, thou art round and great like the Great Circle which sets." (Faulkner 1969, 120)

Scott, Eugenie (1997). "Antievolution and Creationism in the United States" (PDF). Annual Review of Anthropology. 26: 263–289. doi: 10.1146/annurev.anthro.26.1.263. Archived from the original (PDF) on 5 June 2012 . Retrieved 8 December 2011.This analogy with a curved egg led some modern historians, notably Joseph Needham, to conjecture that Chinese astronomers were, after all, aware of the Earth's sphericity. The egg reference, however, was rather meant to clarify the relative position of the flat Earth to the heavens: [51] Ragep, F. Jamil (2009). "Astronomy". Encyclopaedia of Islam, THREE. doi: 10.1163/1573-3912_ei3_COM_22652 . Retrieved July 30, 2022.