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Aetat. 40.] year. Mrs. Johnson, for the sake of country air, had lodgings at Hampstead, to which lie resorted occasionally, and there the greatest part, if not the whole, of this Imitation was written. The fervid rapidity with which it was produced, is scarcely credible. I have heard him say, that he composed seventy lines of it in one day, without putting one of them upon paper till they were finished. I remember when I once regretted to him that he had not given us more of Juvenal's Satires, he said he probably should give more, for he had them all in his head; by which I understood that he had the originals and correspondent allusions floating in his mind, which he could, when he pleased, embody and render permanent without much labour. Some of them, however, he observed were too gross for imitation.

The profits of a single poem, however excellent, appear to have been very small in the last reign, compared with what a publication of the same size has since been known to yield. I have mentioned, upon Johnson's own authority, that for his London he had only ten guineas; and now, after his fame was established, he got for his Vanity of Human Wishes but Rh