The faith of embodied beings is of three kinds, born of their own inherent nature: sattvic, rajasic, and tamasic. Now hear about these.
Explanation
Arjuna has just asked about the standing of people who worship with faith but set aside the scriptural rules. Krishna begins his answer by saying that faith (śraddhā) is not one uniform thing: it arises from a person's inborn nature (svabhāva) and takes three forms, matching the three gunas (guṇa), the strands of nature: clarity (sattva), passion (rajas) and inertia (tamas). The verse only introduces the classification, which the following verses develop.