Ancient Greek text
Πῶς ἀφορίσαι δεῖ καὶ ποίοις τὴν ὑπὲρ τῶν πρώτων θεωρίαν; ἡ γὰρ δὴ τῆς …
Theophrasti Eresii opera quae supersunt omnia, Teubner, Leipzig, 1862
Theophrastus, Ἐκ τῶν μετὰ τὰ φυσικά, ed. Friedrich Wimmer. Text: The Greek Library, from the Perseus Digital Library and other open sources, CC BY-SA 4.0. Changes: apostrophes normalised and the text divided into reading sections by Interlinea.
Texts from The Greek Library and the Perseus Digital Library, under CC BY-SA 4.0 and CC BY 4.0. Divided into reading sections by Interlinea.