श्रीमद् भगवद्गीता

मूल श्लोकः

yajñē tapasi dānē ca sthitiḥ saditi cōcyatē.

karma caiva tadarthīyaṅ sadityēvābhidhīyatē৷৷17.27৷৷

English Translation by Shri Purohit Swami

17.27 Conviction in sacrifice, in austerity and in giving is also called Sat.' So too an action done only for the Lord's sake.