Sattva Sacrifice is which being prescribed by the Shastras, is performed by a man who desires no fruit from it, and who performs it by believing it to be only a duty.
अफलाकाक्षिभिर्यज्ञो विधिदृष्टो य इज्यते। यष्टव्यमेवेति मन: समाधाय स सात्त्विकः॥