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Where these words come from

How sure this is
40% sureLots of sources credit Ibn al-Haytham with this, and they agree with each other. The book or the speech it first came from hasn't turned up yet.
What turned up
Ibn al-Haytham's authorship is carried by two independent scholarly relays, but the TRANSLATION relay is disputed: credited to A.I. Sabra (Doubts Concerning Ptolemy) by one source and to S. Pines in Sambursky's Physical Thought (1974) p.139 by another. Neither confirmed at page level
Work
Doubts Concerning Ptolemy
Occasion
c. 1028
Sources checked
  • muslimheritage.comChecked using claude-sonnet-5, 20 August 2026quotes the line in context but does not name the specific treatise
  • en.wikipedia.orgChecked using claude-fable-5, 21 August 2026Wikipedia's sourced version of the fuller passage cites Sambursky's Physical Thought anthology (1974/75) p.139, trans. S. PINES — not our source_note's Sabra credit; anthology scan is lending-restricted. Source-note correction PREPARED for review, not applied.

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