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2 ideas
224 | When questions are doubtful we should concentrate not on objects but on ideas of the intellect [Plato] |
Full Idea: Doubtful questions should not be discussed in terms of visible objects or in relation to them, but only with reference to ideas conceived by the intellect. | |
From: Plato (Parmenides [c.364 BCE], 135e) |
24047 | An account is either a definition or a demonstration [Aristotle] |
Full Idea: Every account is either a definition or a demonstration. | |
From: Aristotle (De Anima [c.329 BCE], 407a24) | |
A reaction: That is, it is either a summary of the thing's essential nature, or it is a proof of some natural fact, starting from first principles. |