यज्ञे तपसि दाने च स्थितिः सदिति चोच्यते। कर्म चैव तदर्थीयं सदित्येवाभिधीयते॥
yajñe tapasi dāne ca sthitiḥ saditi cocyate karma caiva tadarthīyaṃ sadityevābhidhīyate
Meaning
Conviction in sacrifice, austerity, and giving is also called Sat. So too, an action done only for the Lord's sake.
English translation by Shri Purohit Swami (1935), public domain. Sanskrit text in the public domain. About Duvidha