rājavidyā rājaguhyayoga - Verse śloka 2
śloka 2
rājavidyā rājaguhyaṃ pavitramidamuttamam |
pratyakṣāvagamaṃ dharmyaṃ susukhaṃ kartumavyayam ||9-2||
Translation
This knowledge is the sovereign of all knowledge and the sovereign of all secrets; it is pure, excellent, conducive to direct realization, in accord with Dharma, easy to practice, and imperishable.