Grindstone Quotes (1 quote)
Some books are like grindstones, good to sharpen your wits on just because you disagree from them.
Concluding remark in book review, no author credit, 'Duboiss Influence of Mind on Body', The American Journal of Clinical Medicine (Jan 1907), 14, No. 1, 115. Also as filler on p.150 of the Feb 1907 issue, credited to E. M. Epstein.