“Mathemata mathematicis scribuntur.”
is the original Latin of Copernic which is easily translated as
“Mathematics is written for mathematicians.”
but Edward Rosen chose to translate this famous passage as
“Astronomy is written for astronomers.”
Obviously "astronomy" is not the author's word and also it is generally agreed that there was no ...
The quote is not accurate but Gauss actually wrote something similar to Schumacher in the letter of 1 November 1844 cited here, where he complains about concepts and definitions given in math books by philosopher that are not mathematicians, namely
[...] look around at modern philosophers [...] don't their definitions make your hair stand on end? Read in ...