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 in his work, when, to his great mortification, he found his colours peel from the wall.

With Leonardo was joined in this undertaking, Michael Angelo, who painted another side of the room, and who, then a young man of not more than twenty-nine, had risen to such reputation, as not to fear a competition with Leonardo, a man of near sixty. The productions of two such able masters placed in the same room, begun at the same time, and proceeding gradually step by step together, afforded, no doubt, occasion and opportunity to the admirers and critics in painting to compare and contrast with each other their respective excellencies and defects. Had these persons contented themselves simply with comparing and appreciating the merits of these masters according to justice and truth, it might perhaps have been advantageous to both, as directing their attention to the correction of errors; but as each artist had his admirers, each had also his enemies; the partisans of the one thinking they did not sufficiently value the merit of their favourite if they allowed any to his antagonist, or did not, on the contrary, endeavour to crush by detraction the too formidable reputation of his adversary. From this conduct was produced Rh