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3 ideas
1800 | Sceptics say reason is only an instrument, because reason can only be attacked with reason [Pyrrho, by Diog. Laertius] |
12268 | Contradiction is impossible [Antisthenes (I), by Aristotle] |
602 | Some fools think you cannot define anything, but only say what it is like [Antisthenes (I), by Aristotle] |