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 salt of tartar, that refuses to combine its evanescent, inflammable essence with anything solid or anything lasting. Bubbles are to him the only realities:—touch them, and they vanish. Curiosity is the only proper category of his mind, and though a man in knowledge, he is a child in feeling. Hence he puts everything into a metaphysical crucible to judge of it himself and exhibit it to others as a subject of interesting experiment, without first making it over to the ordeal of his common sense or trying it on his heart. This faculty of speculating at random on all questions may in its overgrown and uninformed state do much mischief without intending it, like an overgrown child with the power of a man. Mr. Shelley has been accused of vanity—I think he is chargeable with extreme levity; but this levity is so great that I do not believe he is sensible of its consequences. He strives to overturn all established creeds and systems; but this is in him an effect of constitution. He runs before the most extravagant opinions; but this is because he is held back by none of the merely mechanical checks of sympathy and habit. He tampers with all sorts of obnoxious subjects; but it is less because he is gratified with the rankness of the taint, than