λόγος γὰρ ἔκ τ' ἀδοξούντων ἰὼν κἀκ τῶν δοκούντων αὑτὸς οὐ ταὐτὸν σθένει

From LSJ

ὁδὸς ἄνω κάτω μία καὶ ὡυτή → the road up and the road down is one and the same, the upward path and the downward path are the same

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