अथ ह याज्ञवल्क्यस्य द्वे भार्ये बभूव-तुर्मैत्रेयी च कात्यायनी च तयोर्ह मैत्रेयीब्रह्मवादिनी बभूव स्त्रीप्रज्ञैव तर्हि का-त्यायन्यथ ह याज्ञवल्क्योऽन्यद्वृत्तमुपा-करिष्यन् ॥ १ ॥
In plain words
Yajnavalkya had two wives: Maitreyi and Katyayani. Of the two, Maitreyi could hold her own in a conversation about Brahman; Katyayani's wisdom, by contrast, went no further than the concerns of running a household. Now Yajnavalkya was about to take up a different way of life altogether...
Close to the Sanskrit
Now, Yājñavalkya had two wives: Maitreyī and Kātyāyanī. Of the two, Maitreyī was versed in discourse on Brahman; Kātyāyanī, on the other hand, had only a woman's ordinary understanding. Now Yājñavalkya, being about to undertake another mode of life...