Shiva Purana
लक्षणं शक्तिपातस्य प्रबोधानंदसंभवः ॥ सा यस्मात्परमा शक्तिः प्रबोधानंदरूपिणी ॥ १६ ॥
Since Śakti is enlightenment and bliss, the two are the signs of its manifestation.
english translation
lakSaNaM zaktipAtasya prabodhAnaMdasaMbhavaH ॥ sA yasmAtparamA zaktiH prabodhAnaMdarUpiNI ॥ 16 ॥
hk transliteration by Sanscript