BG 6.45
प्रयत्नाद्यतमानस्तु योगी संशुद्धकिल्बिषः। अनेकजन्मसंसिद्धस्ततो याति परां गतिम्
prayatnād yatamānas tu yogī sanśhuddha-kilbiṣhaḥ aneka-janma-sansiddhas tato yāti parāṁ gatim
Then, after many lives of earnest striving and absolution of sins, the student of spirituality attains perfection and reaches the Supreme.
Translated by Shri Purohit Swami
But the Yogi who strives assiduously, purified of sins and perfected gradually over many births, reaches the highest goal.
Translated by Swami Sivananda
Word meanings (from the gita/gita dataset)
prayatnāt—with great effort; yatamānaḥ—endeavoring; tu—and; yogī—a yogi; sanśhuddha—purified; kilbiṣhaḥ—from material desires; aneka—after many, many; janma—births; sansiddhaḥ—attain perfection; tataḥ—then; yāti—attains; parām—the highest; gatim—path