"Conversation opens our views, and gives our faculties a more vigorous play; it puts us upon turning our notions on every side, and holds them up to a light that discovers those latent flaws which would probably have lain concealed in the gloom of unagitated abstraction."
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Source : William Melmoth (1805). “Fitzosborne's Letters on several subjects ... Eleventh edition, with the Dialogue on Oratory [translated from Tacitus]: to which is prefixed a life of the author”, p.191