The Plays of William Shakespeare in perspective, we have only to remind ourselves what Johnson brought to it – an assemblage of almost every qualification we should ideally like to have brought to this kind of work with the single exception of patience... Operating in and through these qualities was his own extensive knowledge of human nature and life. No Shakespearean critic or editor has ever approached him in this respect. John Wain, another of Johnson's biographers, claimed, "There is no better statement of the reason why Shakespeare needs to be edited, and what aims an editor can reasonably set himself" than Johnson's "Proposal". The
The Plays of William Shakespeare him with the income and recognition that he needed. However, a full edition of Shakespeare would require a publisher to make a large commitment of time and money, so Johnson decided to begin by focusing on a single play, "Macbeth". Johnson began work on "Macbeth" to provide a sample of what he thought could be achieved in a new edition of Shakespeare. He got much of his information while working on the "Harleian Catalogue", a catalogue of the collection of works and pamphlets owned by Robert Harley, 1st Earl of Oxford and Earl Mortimer. He published this work, along with