Bhagavad Gita 6.45 Chapter 6, Verse 45

प्रयत्नाद्यतमानस्तु योगी संशुद्धकिल्बिषः ।
अनेकजन्मसंसिद्धस्ततो याति परां गतिम् ॥६.४५॥

prayatnādyatamānastu yogī saṃśuddhakilbiṣaḥ
anekajanmasaṃsiddhastato yāti parāṃ gatim

Meaning

But the yogi who strives diligently, purified of sins and perfected over many births, reaches the supreme goal.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 6.45 (Chapter 6, The Yoga of Meditation (Atma Samyama Yoga), Verse 45)