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
conferva: ae, f. conferveo,
I a kind of water plant (so called on account of its healing power), Plin. 27, 8, 45, § 69 (in App. Herb. 59 called consolida).