Shiva Purana
बहवोपीह राजानः परं लोक मितो गताः ॥ निर्ममत्वसमेतास्तु बद्धाश्शतसहस्रशः ॥ ३६॥
Hundreds and thousands of monarchs who had been in bondage had attained the greatest world on reaching the Nirmamatva (not-my-ness) state.
english translation
bahavopIha rAjAnaH paraM loka mito gatAH ॥ nirmamatvasametAstu baddhAzzatasahasrazaH ॥ 36॥
hk transliteration by Sanscript