"These two eminent men," says Cunningham, "loved one another. The Keeper had no wish to give permanent offence, and the President had as little desire to be on ill terms with one so bitter and so satirical. They were often together; and I have heard Sir Thomas say, that he never had a dispute with Fuseli save once—and that was concerning their pictures of Satan. Indeed, the Keeper, both with tongue and pen, took pleasure in pointing out the excellencies of his friend, nor was he blind to his defects. 'This young man,' thus he wrote in one of his early criticisms, 'would do well to look at nature again; his flesh is too glassy.' Lawrence showed his sense of his monitor's accuracy by following the advice."