One verse

Bhagavad Gita 4.39

4.39

श्रद्धावाँल्लभते ज्ञानं तत्परः संयतेन्द्रियः | ज्ञानं लब्ध्वा परां शान्तिमचिरेणाधिगच्छति ||४-३९||

śraddhāvā.Nllabhate jñānaṃ tatparaḥ saṃyatendriyaḥ . jñānaṃ labdhvā parāṃ śāntimacireṇādhigacchati ||4-39||

śraddhā-vān
a faithful man
labhate
achieves
jñānam
knowledge
tat-paraḥ
very much attached to it
saṁyata
controlled
indriyaḥ
senses
jñānam
knowledge
labdhvā
having achieved
parām
transcendental
śāntim
peace
acireṇa
very soon
adhigacchati
attains

A faithful man who is dedicated to transcendental knowledge and who subdues his senses is eligible to achieve such knowledge, and having achieved it he quickly attains the supreme spiritual peace.