τὸ δὲ ποιεῖν ἄνευ νοῦ ἃ δοκεῖ καὶ σὺ ὁμολογεῖς κακὸν εἶναι: ἢ οὔ → but doing what one thinks fit without intelligence is—as you yourself admit, do you not?—an evil
P. and V. λόγος, ὁ, Ar. and P. λογισμός, ὁ.
ratiocination: P. συλλογισμός, ὁ.