राजविद्या राजगुह्यं पवित्रमिदमुत्तमम् | प्रत्यक्षावगमं धर्म्यं सुसुखं कर्तुमव्ययम् ||९-२||

rājavidyā rājaguhyaṃ pavitramidamuttamam . pratyakṣāvagamaṃ dharmyaṃ susukhaṃ kartumavyayam ||9-2||

"This is the sovereign knowledge, the sovereign secret. It is the best purifier. It is directly realizable, righteous, easy to practise, and imperishable."