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“A little learning is a dangerous thing.”
Partial knowledge can produce misplaced confidence; the warning favors deeper study over shallow certainty.
Source note: An Essay on Criticism, Part II; Pope warns that shallow learning can produce premature confidence before deeper study tempers judgment.
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“How many a man has dated a new era in his life from the reading of a book.”
Thoreau treats reading as potentially transformative: a book can mark a genuine before-and-after point when it gives language to questions a reader has struggled to express.
Source note: Walden, chapter “Reading,” in the discussion of books that can reveal new possibilities and answer enduring questions.
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“If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties.”
Intellectual confidence can be improved by beginning with questions rather than pretending certainty too early.
Source note: The Advancement of Learning, Book I; Bacon contrasts premature certainty with an inquiry willing to begin from doubt and work toward firmer knowledge.
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“all progress of mind consists for the most part in differentiation, in the resolution of an obscure and complex object into its component aspects”
Pater describes intellectual progress as learning to distinguish parts within what initially seems confused, a method that makes clearer categories and more exact judgment possible.
Source note: Appreciations, essay “Style”; Project Gutenberg #4037. The immediate example concerns distinctions between prose, verse and poetry.
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“The true University of these days is a Collection of Books.”
Carlyle emphasizes independent access to accumulated thought, treating books as an education that extends beyond institutions.
Source note: On Heroes, Hero-Worship, and the Heroic in History, the lecture on the Hero as Man of Letters.
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“it is only when he has turned it over that he can be said to know it.”
Learning becomes knowledge, in this account, when material has been actively reconsidered and integrated rather than merely encountered or memorized.
Source note: The Art of Literature, section “On Thinking for Oneself,” T. Bailey Saunders translation; Project Gutenberg #10714. The preceding sentence says a person must first learn something before turning it over in the mind.