Sattva (Sanskrit: सत्त्व, meaning honesty) is one of the three guṇas or “modes of existence” (tendencies, qualities, attributes), a philosophical and psychological concept understood by the Samkhya school of Hindu philosophy
The other two qualities are rajas (passion and activity) and tamas (destruction, chaos)
Sattva is the quality of goodness, positivity, truth, serenity, balance, peacefulness, and virtuousness that is drawn towards Dharma and Jnana (knowledge)