अमुष्यैवाध्वरेशस्य शिवस्यैव प्रसादतः । वेदोक्तविद्यासारं तु ज्ञायते साध्यसाधनं १६ ।
It is by the grace of Śiva alone who will be the presiding deity of this sacrifice that the means of achievement of the Achievable can be realised and that is the essence of the Vidyā (mystic learning) mentioned in the Vedas.