jñānakarmasanyāsayoga - Verse śloka 28
śloka 28
dravyayajñāstapoyajñā yogayajñāstathāpare |
svādhyāyajñānayajñāśca yatayaḥ saṃśitavratāḥ ||4-28||
Translation
Some perform sacrifice of material offerings, austerity and Yoga; and others, observing strict vows, perform sacrifice of self-study and the sacrifice of knowledge.