As to this threefold Faith,
सत्त्वानुरूपा सर्वस्य श्रद्धा भवति भारत ।
श्रद्धामयोऽयं पुरुषो यो यच्छ्रुद्धः स एव सः ॥ ३ ॥
sattvānurūpā sarvasya śraddhā bhavati bhārata .
śraddhāmayo’yaṃ puruṣo yo yacchruddhaḥ sa eva saḥ .. 3 ..
The faith of each is in accordance with his nature, O Bhārata. The man is made up of his faith; as a man’s faith is, so is he.
Read the commentary
Each : every living being. Nature (Sattva) : the antah-karana with its specific tendencies or samskara. Man : Jīva, samsarin. So : in accordance with that faith.
So the Sattvic faith or the like has to be inferred from its characteristic effects, namely, the worship of the Gods or the like. The Lord says: