Shiva Purana
ब्राह्मणश्च तदा पान्र्थौ दृष्ट्वाश्चर्यं विनिर्गतः ॥ यत्र गौश्च गतस्तत्र तामनु ब्राह्मणो गतः ॥ ५०॥
On seeing this surprising event the brahmin traveller set out and followed the cow as it ran away.
english translation
brAhmaNazca tadA pAnrthau dRSTvAzcaryaM vinirgataH ॥ yatra gauzca gatastatra tAmanu brAhmaNo gataH ॥ 50॥
hk transliteration by Sanscript