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| 14040 | Observation and applied thought are always true [Epicurus] |
| Full Idea: Everything that is observed or grasped by the intellect in an act of application is true. | |
| From: Epicurus (Letter to Herodotus [c.293 BCE], 62) | |
| A reaction: Not quite clear what he means, but Epicurus is committed to perception as the source of knowledge, with the intellect extending the findings of the senses. He might subscribe to Descartes's 'clear and distinct' perceptions. |