De anima libri mantissa
Alexander of Aphrodisias
Alexander of Aphrodisias. Alexandri Aphrodisiensis Praeter Commentaria Scripta Minora, Pars 1. (Supplementum Aristotelicum, Volume 2. 1). Bruns, Ivo, editor. Berlin: Reimer, 1887.
ὁμοίως δὲ καὶ ἐπὶ τῶν ἄλλων, καὶ οὕτως οὐδὲν ἄμικτον ὂν τοῦ ἐναντίου καὶ εἰλικρινὲς αἰσθητὸν ἔσται.
Εἰ τὸ πῦρ, θερμὸν καὶ ξηρὸν ὄν, φύσει κοῦφόν ἐστιν, εἴη ἂν τὸ μετ᾿ αὐτὸ κοῦφον κοινωνοῦν αὐτῷ κατ᾿ ἐκεῖνο, καθ᾿ ὃ κοῦφον ἦν.
ἀλλὰ μὴν τὸ πῦρ κοῦφόν τε καὶ θερμόν ἐστιν, τὸ γοῦν ξηρὸν φύσει ἐν τῇ γῇ ἐστιν, οὔσῃ βαρείᾳ, καὶ ὁ ἀὴρ ἄρα, δευτέρως κοῦφος ὤν, θερμός ἐστιν.