The average pupil's interest in mathematics is but slight, is a matter of common knowledge. His lack of interest is, in my opinion, due, not to a lack of the appropriate faculty in him, but to the circumstance that he is a human being, whilst mathematics, though it teems with human interest, is not presented to him in its human guise.
The Human Worth of Rigorous Thinking: Essays and Addresses, Chapter III (p. 65), Columbia University Press. 1916