Listen, O son of Pritha, to what has been laid down by those who pour ten libations upon mercy,-these the fire at ten times of the day.-For them who perform the sacrifice of penance, the Yoga they strive to bring about with Brahma is their ladle the heart is their clarified butter and high knowledge is their Pavitra (a couple of Kusha blades for pouring clarified butter).
निबोध देवहोतृणां विधानं पार्थ यादृशम्। चित्तिः स्त्रुक् चित्तमाज्यं च पवित्रं ज्ञानमुत्तमम्॥