Plato, Laws 898d

δὲ προσυπάκουσον ἔτι. τὸ ποῖον; Ἥλιον καὶ σελήνην καὶ τὰ ἄλλα ἄστρα, εἴπερ ψυχὴ περιάγει πάντα, ἆρʼ οὐ καὶ ἓν ἕκαστον; τί μήν; περὶ ἑνὸς δὴ ποιησώμεθα λόγους, οἳ καὶ ἐπὶ πάντα ἡμῖν ἄστρα ἁρμόττοντες φανοῦνται. τίνος; Ἡλίου πᾶς ἄνθρωπος σῶμα μὲν ὁρᾷ, ψυχὴν δὲ οὐδείς· οὐδὲ γὰρ ἄλλου σώματος οὐδενὸς οὔτε ζῶντος οὔτε ἀποθνῄσκοντος τῶν ζῴων, ἀλλὰ ἐλπὶς πολλὴ τὸ παράπαν

Now attend to this further point. What is that? If soul drives round the sum total of sun, moon and all other stars, does it not also drive each single one of them? Certainly. Then let us construct an argument about one of these stars which will evidently apply equally to them all. About which one? The sun’s body is seen by everyone, its soul by no one. And the same is true of the soul of any other body, whether alive or dead, of living beings. There is, however, a strong suspicion that this class of object, which is wholly imperceptible to sense,