Mahabharata 6.39.2

श्रीभगवानुवाचत्रिविधा भवति श्रद्धा देहिनां सा स्वभावजासात्त्विकी राजसी चैव तामसी चेति तां शृणु

śrībhagavānuvācatrividhā bhavati śraddhā dehināṃ sā svabhāvajāsāttvikī rājasī caiva tāmasī ceti tāṃ śṛṇu

Our plain-language meaning of this verse is waiting for scholar review.