Paraskaragrihyasutra 1.8.19

1.8.19

astamite dhruvaṃ darśayati \ dhruvamasi dhruvaṃ tvā paśyāmi dhruvaidhipoṣye mayi mahyaṃ tvādādabṛhaspatimaryā patyā prajāvatī saṃjīva śaradaḥ śatamiti \19\

After sunset he shows her the firm star (i.e. the polar-star) with (the words),
'Firm art thou; I see thee, the firm one. Firm be thou with me, O thriving one!
'To me Brihaspati has given thee; obtaining offspring through me, thy husband, live with me a hundred autumns.'