Shiva Purana
राजोवाच ॥ शृणु राक्षस दुष्टात्मन्मया कर्तुं न शक्यते ॥ त्वया विक्रियते तर्हि कुतस्त्वं शक्तिमानसि ॥ २९ ॥
The king said:— O wicked Rākṣasa, listen. I shall not comply with your threats. If you go astray wherefore are you powerful?
english translation
rAjovAca ॥ zRNu rAkSasa duSTAtmanmayA kartuM na zakyate ॥ tvayA vikriyate tarhi kutastvaM zaktimAnasi ॥ 29 ॥
hk transliteration by Sanscript