canonical-greekLit/data/tlg0094/tlg003/tlg0094.tlg003.perseus-grc2.xml
 Πυθαγόρας τῶν ἀρχῶν τὴν μὲν μονάδα θεὸν καὶ τἀγαθόν, ἥτις ἐστὶν ἡ τοῦ ἑνὸς φύσις, αὐτὸς ὁ νοῦς· τὴν δʼ ἀόριστον δυάδα δαίμονα καὶ τὸ κακόν, περὶ ἥν ἐστι τὸ ὑλικὸν πλῆθος, ἔστι δὲ καὶ ὁ ὁρατὸς κόσμος.  