Diotimos Library · Greek Antiquity Collection · Bilingual Edition
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Book I Chapter 52 · I.52.21.2–I.52.21.3
Ancient Greek
p. 165421.2
ἐνυπόκειται δὲ καὶ τᾷ ὄψι καὶ τῷ ἀέρι [καὶ] τὸ δυνάμι διαφανές, ἀλλὰ τᾷ μὲν ὄψι τὸ συγγενὲς φάος, τῷ δὲ ἀέρι τὸ ἀπὸ τῶ ἁλίου.
21.3
Ὅτι δὲ ἁ ὄψις ὑγρὰ ἔασσα φάος ἔχει συγγενές, δείξαιτό κά τις ἐκ τῶνδε· πρᾶτον μὲν τῷ διαφανέα καὶ λαμπρὰν εἶμεν· πᾶν γὰρ τὸ διαφανὲς καὶ λαμπρὸν οὐκ ἄνευ τινὸς φάεος * * ἐκ τᾶς ὄψιος ἢ διά τινος παραθλίψιος ἢ καὶ παρατρίψιος.
Stobaeus, Volume I: Book I Chapter 52
p. 165521.2 · The eye’s own light
“Underlying both the eye and the air is [also] what is potentially transparent; but in the eye there is its kindred light, and in the air the light from the sun.”2014
21.3 · Pressure, rubbing, and light
“That the eye, though moist, possesses its own kindred light could be shown from the following: first, from its being transparent and bright; for everything transparent and bright is not without some light * * from the eye, either through some pressure upon it or through rubbing.”2015
Socrates
Reading Stobaeus, Volume I · Book I Chapter 52 · I.52.21.2–I.52.21.3
Ask about a concept, passage, contradiction, or connection.
Socrates will begin with this book and its sources.About This Reading Edition
Stobaeus gathered Greek philosophy and poetry for his son Septimius. Volume I presents the dedication testimony, On Arithmetic, Book I through chapter 60, and the ancient contents of all four books. This complete bilingual edition includes an introduction and 2,117 explanatory notes.
Historical Text and Translation
The Greek follows Curt Wachsmuth’s 1884 Volume I, checked against the supplied scan. Gaps, lost-chapter headings, and uncertain attributions remain visible. Chapter 2 includes a labeled proposed reconstruction. The appendix outlines Books I–IV; the full texts of Books II–IV are outside this volume. Reader pages preserve the companion PDF’s numbering.
About Diotimos Editions
Diotimos Editions prepared this independent English translation directly from the Greek. Prose and verse retain their distinct forms, with mixed passages preserving their quoted verse. Every passage is paired with its Greek and identified by the edition’s reference number. All 2,117 notes remain linked to their passages, with continuous numbering across the introduction and text.
Rights
Stobaeus’s ancient Greek work and Wachsmuth’s 1884 printing are in the public domain. The independent English translation, introduction, and explanatory notes are © 2026 Diotimos Editions. The complete supplied edition is available as PDF, EPUB, Word, and Markdown. The PDF retains the fixed page locations used by the companion lexicon.