Shiva Purana
त्वं हि सर्वजगद्भर्तुश्शिवस्य परमात्मनः ॥ अनादिमध्यनिधना शक्तिराद्या सनातनी ॥ २० ॥
You are the primordial and eternal Śakti of Śiva the great soul, the lord of the universe, the Śakti without beginning, middle or death.
english translation
tvaM hi sarvajagadbhartuzzivasya paramAtmanaH ॥ anAdimadhyanidhanA zaktirAdyA sanAtanI ॥ 20 ॥
hk transliteration by Sanscript