Bhagavad Gita · 7.29

जरामरणमोक्षाय मामाश्रित्य यतन्ति ये।ते ब्रह्म तद्विदुः कृत्स्नमध्यात्मं कर्म चाखिलम्॥

jarā-maraṇa-mokṣhāya mām āśhritya yatanti ye te brahma tad viduḥ kṛtsnam adhyātmaṁ karma chākhilam

Those who take refuge in Me, striving for liberation from old age and death, know Brahman, the Self, and all about karma.

— Bhagavad Gita 7.29

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)