BG - 9.2

राजविद्या राजगुह्यं पवित्रमिदमुत्तमम्। प्रत्यक्षावगमं धर्म्यं सुसुखं कर्तुमव्ययम्।।9.2।।

rāja-vidyā rāja-guhyaṁ pavitram idam uttamam pratyakṣhāvagamaṁ dharmyaṁ su-sukhaṁ kartum avyayam

• rāja-vidyā - the king of sciences
• rāja-guhyam - the most profound secret
• pavitram - pure
• idam - this
• uttamam - highest
• pratyakṣha - directly perceptible
• avagamam - directly realizable
• dharmyam - virtuous
• su-sukham - easy
• kartum - to practice
• avyayam - everlasting

Translation

This is the royal science, the royal secret, the supreme purifier, realizable by direct intuitive knowledge, according to righteousness, very easy to perform and imperishable.

Commentary