حين ظنّ الناس أن الأرض مسطحة كانوا مخطئين، وحين ظنوا أنها كروية كانوا مخطئين. لكن من يظن أن القول بكروية الأرض خطأٌ كالقول بسطحها، فرأيُه أخطأ من الاثنين معًا.

“When people thought the earth was flat, they were wrong. When people thought the earth was spherical, they were wrong. But if you think that thinking the earth is spherical is just as wrong as thinking the earth is flat, then your view is wronger than both of them put together.”Isaac Asimov — The Relativity of Wrong