Reminds me of Terry Pratchett's description of the mathematical reasoning of camels in Pyramids: Lack of fingers was another big spur to the development of cam

Reminds me of Terry Pratchett's description of the mathematical reasoning of camels in Pyramids: Lack of fingers was another big spur to the development of camel intellect. Human mathematical development had always been held back by everyone’s instinctive tendency, when faced with something really complex in the way of triform polynomials or parametric differentials, to count fingers. Camels started from the word go by counting numbers.