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Book I Chapter 29 · I.29.2.4–I.29.2.6
Ancient Greek
p. 6802 Ἀρριανοῦ · 4
Κεραυνὸς δὲ ὅτι πνεῦμά ἐστιν, ἀπὸ τῶνδε τεκμηριῶσαι παρέχει· ῥήγνυσί τε ἐστὶν ἃ τῶν ἐντυχόντων, καὶ * * περιδινηθῆναι οἷά τε καὶ διικνεῖται, ⟨δι᾽⟩ ὧν οὐκ ἄν τι ἄλλο, ὅ τι μὴ πνεῦμα, διέλθοι.
2 Ἀρριανοῦ · 5
Ὡς δὲ ἔμπυρον πνεῦμά ἐστι, δηλοῖ μὲν τοῦτό γε καὶ ἡ ὄψις ὅτῳ ἐγγὺς κατέσκηψε, πῦρ γὰρ φαίνεται. Ἤδη δὲ καὶ ἀφ᾽ ὧν ἐργάζεται ἐδήλωσε· περιφλέγει γὰρ ἐστὶν ἃ τῶν πελασάντων, τὰ δὲ καὶ ἐξάπτει πάντῃ καὶ ἀπολείπεται ἀπ᾽ αὐτοῦ ἴχνη, οἷα δὴ ἐπὶ πυρὶ ἐκκαύσαντι ἐσβεσμένῳ.
2 Ἀρριανοῦ · 6
Ἐκνεφίας δὲ ἄνεμος, ἐπὰν δινούμενος ἐκπέσῃ, νέφους ῥαγέντος, τυφὼν κλῄζεται. Γίγνεται δὲ ἡ δίνη ὧδε· ἐπειδὰν κώλυμα ἐν τῷ νέφει ἐγχριμφθῇ τὸ μὴ οὐκ ἐπ᾽ εὐθὺ ἐκπεσεῖν τὴν πνοήν, ἀναστρέφεταί τε καὶ ἀνειλεῖται ἐς αὑτήν. Εἴργεται δὲ ὑπὸ πάχους νεφέλης ἐπ᾽ εὐθὺ ἐκπεσεῖν ἢ κρύους ἀποστρέψαντος ἢ ἀντιπεσούσης ἄλλης πνοῆς.
Stobaeus, Volume I: Book I Chapter 29
p. 6812 Arrian: Evidence that a thunderbolt is wind
That a thunderbolt is wind may be inferred from the following evidence: it breaks apart some of the things it encounters, and [gap in the text] capable of being whirled around; and it penetrates ⟨through⟩ things that nothing other than wind could pass through.876
2 Arrian: Evidence that the wind is fiery
That it is fiery wind is shown even by its appearance to anyone near whom it has struck, for it appears as fire. Its effects have also made this clear: it scorches some of the things it approaches and sets others wholly alight, leaving traces like those left by a fire that has burned and then gone out.
2 Arrian: How a whirlwind forms
A squall wind, when it bursts out in a whirl after a cloud has ruptured, is called a whirlwind. The whirl arises in this way: when an obstacle within the cloud blocks the current from issuing straight out, the current turns back and coils upon itself. It is prevented from escaping straight ahead by the thickness of the cloud, by cold that turns it back, or by another current striking against it.
Socrates
Reading Stobaeus, Volume I · Book I Chapter 29 · I.29.2.4–I.29.2.6
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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.