O best of the Bharatas, there is nothing that is more sacred than kine. The highest of all things in the three worlds, kine are themselves sacred and capable of purifying others.
न हि पुण्यतमं किंचिद् गोभ्यो भरतसत्तम। एताः पुण्याः पवित्राश्च त्रिषु लोकेषु सत्तमाः॥