Before Ouddalaka began his sacrifice, he had thought of the Sarasvati. That foremost of rivers came there for the sake of those Rishis.
उद्दालकेन यजता पूर्वं ध्यात्वा सरस्वती। आजगाम सरिच्छेष्ठा तं देशं मुनिकारणात्॥