Alexander Pope

Samuel Johnson, in The Plays and Poems of William Shakespeare (1765) 1:xlviii-xlix.

This was a work which Pope seems to have thought unworthy of his abilities, being not able to suppress his contempt of "the dull duty of an editor." He understood but half his undertaking. The duty of a collator is indeed dull, yet, like other tedious tasks, is very necessary; but an emendatory critick would ill discharge his duty, without qualities very different from dulness. In perusing a corrupted piece, he must have before him all possibilities of meaning, with all possibilities of expression. Such much be his comprehension of thought, and such his copiousness of language. Out of many readings possible, he must be able to select that which best suits with the state, opinions, and modes of language prevailing in every age, and with his author's particular cast of thought, and turn of expression. Such must be his knowledge, and such his taste. Conjectural criticism demands more than humanity possesses, and he that exercises it with most praise has very frequent need of indulgence. Let us now be told no more of the dull duty of an editor.

Conscience is the common consequence of success. They whose excellence of any kind has been loudly celebrated, are ready to conclude, that their powers are universal. Pope's edition fell below his own expectations, and he was so much offended, when he was found to have left any thing for others to do, that he past the latter part of his life in a state of hostility with verbal criticism.

I have retained all his notes, that no fragment of so great a writer may be lost; his preface, valuable like for elegance of composition and justness of remark, and containing a general criticism on his author, so extensive that little can be added, and so exact, that little can be disputed, every editor has an interest to suppress, but that every reader would demand its insertion.