Appearances to the mind are of four kinds. Things are either what they appear to be; or they are neither are, nor appear to be; or they are, and do not appear to be; or they are not and yet appear to be. Rightly to aim in all these cases is the wise man's task.

τετραχῶς αἱ φαντασίαι γίνονται ἡμῖν: ἢ γὰρ ἔστι τινὰ καὶ οὕτως φαίνεται ἢ οὐκ ὄντα οὐδὲ φαίνεται ὅτι ἔστιν ἢ ἔστι καὶ οὐ φαίνεται ἢ οὐκ ἔστι καὶ φαίνεται. λοιπὸν ἐν πᾶσι τούτοις εὐστοχεῖν ἔργον ἐστὶ τοῦ πεπαιδευμένου.

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Original Citation

Epictetus. Ἐπικτήτου διατριβαί, Epiktētou diatribai [The Discourses of Epictetus]. c. 108, bk. 1, ch. 27.

Current Citation

Epictetus. "The Discourses." Discourses and Other Writings, edited and translated by Robert Dobbin. Penguin Classics, 2008, bk. 1, ch. 27.