Shiva Purana

siva.sh/siva-purana/uma-samhita/44/20

नावयोर्घटते सङ्गो काचकांचनयोरिव ।। तुल्यजात्याकृतिकयोः संगः सौख्यप्रदो भवेत् ।। २० ।।

sanskrit

The union between us is not proper as of a piece of worthless glass with gold. The sexual inion of two persons of the same class and features may be conducive to bliss.”

english translation

nAvayorghaTate saGgo kAcakAMcanayoriva || tulyajAtyAkRtikayoH saMgaH saukhyaprado bhavet || 20 ||

hk transliteration by Sanscript