Shiva Purana
तमेकमेव बहुधा वदंति यदुनंदन ॥ अजानन्तः परं भावमविकल्पं महर्षयः ॥ २ ॥
O scion of the family of Yadu, not knowing his great, nature, never subject to alteration or doubts, some sages call him many though he is one.
english translation
tamekameva bahudhA vadaMti yadunaMdana ॥ ajAnantaH paraM bhAvamavikalpaM maharSayaH ॥ 2 ॥
hk transliteration by Sanscript