Shiva Purana
शक्तिः साक्षान्महादेवी महादेवश्च शक्तिमान् ॥ तयोर्विभूतिलेशो वै सर्वमेतच्चराचरम् ॥ ४ ॥
Śakti is Mahādevī herself and Mahādeva is one possessing Śakti. The entire universe of mobile and immobile beings is a fragment of their exalted magnificence.
english translation
zaktiH sAkSAnmahAdevI mahAdevazca zaktimAn ॥ tayorvibhUtilezo vai sarvametaccarAcaram ॥ 4 ॥
hk transliteration by Sanscript