“The movements of a race horse afford a better model of improving exercise than those of the ox in a tread-mill.”
Simon Newcomb, Henry Burchard Fine, Florian Cajori et al. Report of the Committee [of Ten on Secondary School Studies Appointed at the Meeting of the National Educational Association July 9, 1892: With the Reports of the Conferences Arranged by this Committee and Held December 28 – 30, 1892]. p. 108.