Shiva Purana
उक्तास्सनत्कुमारेण व्यासायामिततेजसा ॥ पूर्णे युगसहस्रांते परिपाल्यः स्वधर्मतः ॥ ७०॥
These words were spoken by Sanatkumara to Vyasa of immeasurable splendor At the end of a thousand ages he should be maintained according to his own duty.
english translation
uktAssanatkumAreNa vyAsAyAmitatejasA ॥ pUrNe yugasahasrAMte paripAlyaH svadharmataH ॥ 70॥
hk transliteration by Sanscript