critic; for the correction of a text that lies before him by the readings of another, given him as a model, is simply the lowest variety of this art. The art of textual criticism is thus seen to be the art of detecting and emending errors in documents. The science is the orderly discussion and systematisation of the principles on which this art ought to proceed. The inference lies very close, from what has been said, that the sphere of the legitimate application of textual criticism is circumscribed
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