SB 6.18.35

tasmāt pati-vratā nāryaḥ
 śreyas-kāmāḥ sumadhyame
yajante ’nanya-bhāvena
 patim ātmānam īśvaram
Synonyms: 
tasmāt — therefore; pati-vratāḥ — devoted to the husband; nāryaḥ — women; śreyaḥ-kāmāḥ — conscientious; su-madhyame — O thin-waisted woman; yajante — worship; ananya-bhāvena — with devotion; patim — the husband; ātmānam — the Supersoul; īśvaram — representative of the Supreme Personality of Godhead.
Translation: 
My dear wife, whose body is so beautiful, your waist being thin, a conscientious wife should be chaste and should abide by the orders of her husband. She should very devoutly worship her husband as a representative of Vāsudeva.