Manusmriti

siva.sh/manusmriti/2/235

यावत् त्रयस्ते जीवेयुस्तावत्नान्यं समाचरेत् । तेष्वेव नित्यं शुश्रूषां कुर्यात् प्रियहिते रतः ॥ २३५ ॥

sanskrit

As long as those three live, so long let him not (independently) perform any other (meritorious acts); let him always serve them, rejoicing (to do what is) agreeable and beneficial (to them).

english translation

yAvat trayaste jIveyustAvatnAnyaM samAcaret | teSveva nityaM zuzrUSAM kuryAt priyahite rataH || 235 ||

hk transliteration by Sanscript