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“I am not young enough to know everything.”
Barrie reverses the cliché that age brings complete wisdom, making youthful certainty—not age—the comic claim to omniscience.
Source note: The Admirable Crichton, Act 1; Ernest Woolley repeats the paradox while the others struggle to follow it.
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“Aiming thus at something else, they find happiness by the way.”
Mill’s mature view is that happiness is often an indirect result of sustained attention to worthwhile people, work, art, or purposes beyond constant self-measurement.
Source note: Autobiography, Chapter V; this sentence concludes Mill’s reflection that happiness is better approached indirectly than made the sole object of scrutiny.
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“Take nothing on its looks; take everything on evidence. There’s no better rule.”
Voice: Fictional character · Mr. Jaggers
Appearances are weak evidence; better judgment comes from examining what can actually be supported.
Source note: Great Expectations; Jaggers advises Pip.
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“The old believe everything: the middle-aged suspect everything: the young know everything.”
The epigram compresses three stereotypes of certainty into one balanced joke, mocking credulity, suspicion, and youthful overconfidence at once.
Source note: “Phrases and Philosophies for the Use of the Young,” first published in The Chameleon in 1894.
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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 men by nature desire to know.”
Aristotle treats the desire for knowledge as a basic human tendency, giving curiosity a foundational place in the movement from perception toward understanding.
Source note: Metaphysics, Book I, chapter 1, W. D. Ross translation; the work opens with this claim before discussing sensation, memory, experience, art, and knowledge.