Three Divisions of Faith — Shraddhatraya Vibhaga Yoga
Chapter 17 of Bhagavad Gita by Vyasa
If men forsake the holy ordinance, Heedless of Shastras, yet keep faith at heart And worship, what shall be the state of those, Great Krishna! Sattwan, Rajas, Tamas? Say!
Threefold the faith is of mankind and springs From those three qualities,--becoming "true," Or "passion-stained," or "dark," as thou shalt hear!
The faith of each believer, Indian Prince! Conforms itself to what he truly is. Where thou shalt see a worshipper, that one To what he worships lives assimilate, [Such as the shrine, so is the votary,] The "soothfast" souls adore true gods; the souls Obeying Rajas worship Rakshasas[FN#34] Or Yakshas; and the men of Darkness pray To Pretas and to Bhutas.[FN#35] Yea, and those Who practise bitter penance, not enjoined By rightful rule--penance which hath its root In self-sufficient, proud hypocrisies--