Impression (epistemology)

Definition and stakes

Portrait of Herbert Spencer Herbert Spencer,  First Principles

“ For how can consciousness be wholly resolved into impressions and ideas, when an impression of necessity implies something impressed? Or again, how can the sceptic who has decomposed his consciousness into impressions and ideas, explain the fact that he considers them as his impressions and ideas? Or once more, if, as he must, he admits that he has an impression of his personal existence, what warrant can he show for rejecting this impression as unreal while he accepts all his other impressions as real? ”
Source: Gutenberg

Portrait of Josiah Royce Josiah Royce,  The Religious Aspect of Philosophy (1885)

“ To carry on even a train of abstract reasoning, sense-impressions either present or repeated seem necessary as supports. But when sense-impressions come to us, what transforms them into thought?
The answer is, First of all, attention, an active mental process. The sense-impression is itself not yet knowledge. A sense-impression to which we give no attention slips through consciousness as a man’s hand through water.
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Source: Wikisource

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