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 work. Upon this Leonardo began distilling oils for his colours, and preparing varnishes, which the Pope hearing, said pertly and ignorantly enough, that he could expect nothing from a man who thought of finishing his works before he had begun them. Had the Pope known, as he seems not to have done, that oil was the vehicle in which the colours were to have been worked, or been witness either to the almost annihilation of the colours in Leonardo’s famous picture of the Last Supper, owing to the damp of the wall, or to the peeling of the colours from the wall in the council-chamber at Florence, he probably would have spared this ill-natured reflection. If it applied at all, it could only be to a very small part of the pursuit in which Leonardo was occupied, namely, preparing varnish; and if age were necessary to give the varnish strength, or it were the better for keeping, the answer was in an equal degree both silly and impertinent; and it is no wonder it should disgust such a mind as Leonardo’s, or produce, as we find it did, such a breach between the Pope and him, that the intended pictures, whatever they might have been, were never begun. Rh