In a valuable essay on Measure for Measure, published in 1942, L. C. Knights, discussing Shakespeare’s presentation of Claudio, expressed his belief that ‘it is the slight uncertainty of attitude in Shakespeare’s handling of him that explains some part, at least, of the play’s disturbing effect’. The source of this uncertainty he finds in ‘feelings at war with themselves’ in the poet, the result of a temporary ‘emotional bias’ that ‘seems to blur some of the natural positive values which in Macbeth or Lear are as vividly realized as the vision of evil’. Apparently alone among commentators he points to ‘something odd and inappropriate’ in Claudio’s attitude towards the offence for which he has been sentenced to death. Upon Claudio’s first appearance on the stage the following conversation takes place between him and Lucio:

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