Shiva Purana
एकधा च द्विधा चैव तथा शतसहस्रधा ॥ शक्तयः खलु भिद्यंते बहुधा व्यवहारतः ॥ १७ ॥
As one unit, as twofold, in hundreds and thousands Śaktis ramify themselves in their function.
english translation
ekadhA ca dvidhA caiva tathA zatasahasradhA ॥ zaktayaH khalu bhidyaMte bahudhA vyavahArataH ॥ 17 ॥
hk transliteration by Sanscript