|Chapter 4, Verse 39|
श्रद्धावाँल्लभते ज्ञानं तत्परः संयतेन्द्रियः।
ज्ञानं लब्ध्वा परां शान्तिमचिरेणाधिगच्छति।।4.39।।
Transliteration / Meaning
śhraddhāvān labhate jñānaṁ tat-paraḥ sanyatendriyaḥ
jñānaṁ labdhvā parāṁ śhāntim achireṇādhigachchhati
Translation
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.
Purport by Srila Prabhupada
Such knowledge in Krishna consciousness can be achieved by a faithful person who believes firmly in Krishna. One is called a faithful man who thinks that simply by acting in Krishna consciousness he can attain the highest perfection. This faith is attained by the discharge of devotional service, and by chanting Hare Krishna, Hare Krishna, Krishna Krishna, Hare Hare/ Hare Rama, Hare Rama, Rama Rama, Hare Hare, which cleanses one's heart of all material dirt. Over and above this, one should control the senses. A person who is faithful to Krishna and who controls the senses can easily attain perfection in the knowledge of Krishna consciousness without delay.