BG 17.27
यज्ञे तपसि दाने च स्थितिः सदिति चोच्यते ।
कर्म चैव तदर्थीयं सदित्येवाभिधीयते ॥
कर्म चैव तदर्थीयं सदित्येवाभिधीयते ॥
yajñe tapasi dāne ca sthitiḥ sad iti cocyate
karma caiva tad-arthīyaṁ sad ity evābhidhīyate
karma caiva tad-arthīyaṁ sad ity evābhidhīyate
Word-for-word meanings
sthitiḥ — steadiness; yajñe — in sacrifice; tapasi — in austerity; ca — and; dāne — in charity; ucyate ca — is also called; sat iti — by the word Sat; ca — and; eva — indeed; karma — action; tat-arthīyam — [performed] for the sake of the Absolute; abhidhīyate eva — is verily termed; sat iti — by the word Sat.
Translation
Steadiness in sacrifice, austerity, and charity is also called Sat, and indeed action performed for the sake of the Absolute is verily termed Sat.