One verse

Bhagavad Gita 4.38

4.38

न हि ज्ञानेन सदृशं पवित्रमिह विद्यते | तत्स्वयं योगसंसिद्धः कालेनात्मनि विन्दति ||४-३८||

na hi jñānena sadṛśaṃ pavitramiha vidyate . tatsvayaṃ yogasaṃsiddhaḥ kālenātmani vindati ||4-38||

na
nothing
hi
certainly
jñānena
with knowledge
sadṛśam
in comparison
pavitram
sanctified
iha
in this world
vidyate
exists
tat
that
svayam
himself
yoga
in devotion
saṁsiddhaḥ
he who is mature
kālena
in course of time
ātmani
in himself
vindati
enjoys

In this world, there is nothing so sublime and pure as transcendental knowledge. Such knowledge is the mature fruit of all mysticism. And one who has become accomplished in the practice of devotional service enjoys this knowledge within himself in due course of time.