One verse

Bhagavad Gita 9.2

9.2

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

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

rāja-vidyā
the king of education
rāja-guhyam
the king of confidential knowledge
pavitram
the purest
idam
this
uttamam
transcendental
pratyakṣa
by direct experience
avagamam
understood
dharmyam
the principle of religion
su-sukham
very happy
kartum
to execute
avyayam
everlasting

This knowledge is the king of education, the most secret of all secrets. It is the purest knowledge, and because it gives direct perception of the self by realization, it is the perfection of religion. It is everlasting, and it is joyfully performed.