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Rh have an apposite opportunity of explaining to you." (Edric yawned.) "You know, elastic substances have the power of wonderfully resisting a force which would annihilate solids, apparently infinitely stronger than themselves, as a feather-bed will repulse a cannon-ball that would penetrate with ease through a thick table. Now the reason for this is clear: the elastic body has the power of summoning all its forces to its assistance, for the effect of a blow may be traced even to its remotest extremity; whereas the solid substance can only oppose its enemy by the mere resistance of the identical part struck." "Certainly," said Edric, striving to suppress a yawn; "nothing can be more clear."

"Nothing," resumed the doctor. "I was sure you would admire the force of my reasoning; indeed, I see the excess of your admiration in the involuntary yawns in which you have been indulging. On some occasions, Edric, man shakes off the artificial restraints of society, and breaks forth into the full freedom of honest and unsophisticated nature:—