Shiva Purana
एवं शिवत्वं शक्तित्वं परमात्मनि दर्शितम् ॥ शिवशक्त्योस्तु संयोगादानंदस्सततोदितः ॥ ३३ ॥
Thus the Śivatva and Śaktitva is present in the great Ātman. The bliss from the union of Śiva and Śakti is ever rising.
english translation
evaM zivatvaM zaktitvaM paramAtmani darzitam ॥ zivazaktyostu saMyogAdAnaMdassatatoditaH ॥ 33 ॥
hk transliteration by Sanscript