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All knowledge or form conception is evoked through the medium of the eye, either in response to disturbances directly received on the retina or to their fainter secondary effects and reverberations. Other sense organs can only call forth feelings which have no reality of existence and of which no conception can be formed.
All knowledge or form conception is evoked through the medium of the eye, either in response to disturbances directly received on the retina or to their fainter secondary effects and reverberations. Other sense organs can only call forth feelings which have no reality of existence and of which no conception can be formed.
Approximate author period: c. 1899 AD · industrial
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- Author or tradition
- Nikola Tesla
Attribution: attributed - Country attributed
- Not established
A country attribution does not establish the earliest origin. - Historical period
- Approximate author period: c. 1899 AD · industrial
Approximate author-period evidence for Nikola Tesla: life dates 1856 to 1943. Wikidata Q9036, inspected 2026-10-08. Not a quotation composition date or independent verification of attribution. Source: https://www.wikidata.org/wiki/Q9036 (accessed 2026-10-08).
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Supplied reference C; CSV row 463810; supplied attribution, independently unverified
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