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- Whence Mr. Stelling concluded that Tom's brain, being peculiarly impervious to etymology and demonstrations, was peculiarly in need of being ploughed and harrowed by these patent implements; it was his favorite metaphor, that the classics and geometry constituted that culture of the mind which prepared it for the reception of any subsequent crop.2.1 -- Book 2 Chapter 1 -- Tom's "First Half" (36% in)
There are no more uses of "impervious" in The Mill on the Floss.
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