Mahabharata 6.31.2
राजविद्या राजगुह्यं पवित्रमिदमुत्तमम्प्रत्यक्षावगमं धर्म्यं सुसुखं कर्तुमव्ययम्
rājavidyā rājaguhyaṃ pavitramidamuttamampratyakṣāvagamaṃ dharmyaṃ susukhaṃ kartumavyayam
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book