Internal evidence

Definition and stakes

Appleton Morgan,  The Shakespearean Myth: William Shakespeare and Circumstantial Evidence

“ But, once separated, it is manifest that the internal evidence drawn from the works themselves, however satisfactory as to the one question, is utterly incompetent as to the other, and that it is by purely external—that is to say, by circumstantial evidence, by history, and by the record—that the question before us must be answered, if, indeed, it ever is to be answered at all. ”
Source: Gutenberg

Samuel Butler,  The Fair Haven

“ The primary external evidence became less and less capable of compelling instantaneous assent, according as it was less wanted, owing to the greater mass of secondary evidence, and to the growth of appreciation of the internal evidences, a growth which would be fostered by the growing adaptability of the ideal. ”
Source: Gutenberg

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