Bhagwad Gita
Chapter 17, Verse 1
अर्जुन उवाचये शास्त्रविधिमुत्सृज्य यजन्ते श्रद्धयाऽन्विताः।तेषां निष्ठा तु का कृष्ण सत्त्वमाहो रजस्तमः।।17.1।।
Arjuna said, O Krsna, what is the situation of one who does not follow the principles of scripture but worships according to his own imagination? Is he in goodness, in passion or in ignorance?