Verse
यज्ञे तपसि दाने च स्थितिः सदिति चोच्यते ।कर्म चैव तदर्थीयं सदित्येवाभिधीयते ॥
All firm abiding in sacrifice, giving and askesis and all works done with that central view, as sacrifice, as giving, as askesis, are Sat (for they build the basis for the highest truth of our spirit).
Gītā 17·27