Then those progenitors of the world, those Rishis who conferred their thoughts on the worldly ends, duly promulgated that work which is the eternal origin of all duties and observances.
ततस्ते लोकपितरः सर्वलोकार्थचिन्तकाः। प्रावर्तयन्त तच्छास्त्रं धर्मयोनि सनातनम्॥