Bhagavad-gītā 4.28
BG 4.28
Open the full passageद्रव्ययज्ञास्तपोयज्ञा योगयज्ञास्तथापरे । स्वाध्यायज्ञानयज्ञाश्च यतयः संशितव्रताः ॥२८॥
Sanskrit
dravya-yajñās tapo-yajñā yoga-yajñās tathāpare svādhyāya-jñāna-yajñāś ca yatayaḥ saṁśita-vratāḥ
Translation
Having accepted strict vows, some become enlightened by sacrificing their possessions, and others by performing severe austerities, by practicing the yoga of eightfold mysticism, or by studying the Vedas to advance in transcendental knowledge.