UtshovBhagavad Gita 4.28
द्रव्ययज्ञास्तपोयज्ञा योगयज्ञास्तथापरे।
स्वाध्यायज्ञानयज्ञाश्च यतयः संशितव्रताः।।4.28।।
Dravyayagyastapoyagya yogayagyastathapare
Svadhyayagyanayagyashcha yatayah sanshitavratah
Simple meaning, written by AISome offer material things as sacrifice, some offer austerity, and others offer yoga. Ascetics of firm vows offer the study of scripture and the sacrifice of knowledge.