B.G 17.03
सत्त्वानुरूपा सर्वस्य श्रद्धा भवति भारत। श्रद्धामयोऽयं पुरुषो यो यच्छ्रद्धः स एव सः ॥३॥
O Bhārata, the faith of everyone is in accordance with their true nature. A person is made of faith; whatever faith they have, they are indeed that.
Gīta Bhāshya 17.03
The word 'sattvānurūpā', i.e. one's true nature, is nothing but that which is in accordance with their consciousness (chitta). If one has sattvic faith, they are considered sattvic, and so forth.
सत्त्वानुरूपा चित्तानुरूपा।
The word 'sattvānurūpā', i.e. one's true nature, is nothing but that which is in accordance with their consciousness.
यो यच्छ्रद्धः स एव सः सात्त्विकश्रद्धः सात्त्विकः इत्यादि ॥३॥
The phrase 'yo yacchraddhaḥ sa eva saḥ' i.e. 'a person is defined by the nature of their faith' implies - if one has sattvic faith, they are considered sattvic, and so forth.