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 that of personal fear, to what cause are we to attribute the very same sentiment in the mouth of Richard, when he meditates the murder of his nephews, and a marriage with their sister? K. Rich. I must be married to my brother's daughter, Or else my kingdom stands on brittle glass:— Murder her brothers, and then marry her! Uncertain way of gain! But I am in So far in blood, that sin will pluck on sin.

In Mr. Cibber's admirable alteration of Shakspeare's King Richard the Third, Richard, smothering the cries of conscience, sternly adds,—