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Conclusion –The Perfection of Benunciation
805
buddhiḥ —intelligence;  sā —that;  pārtha —O son of Pṛthā;  rājasī —in the mode of passion.
TRANSLATION
And that understanding which cannot distinguish between the religious way of life and the irreligious, between action that should be done and action that should not be done, that imperfect understanding, O son of Pṛthā, is in the mode of passion.
PURPORT
Intelligence in the mode of passion is always working perversely. It accepts religions which are not actually religions and rejects actual religion. All views and activities are misguided. Men of passionate intelligence understand a great soul to be a common man and accept a common man as a great soul. They think truth to be untruth and accept untruth as truth. In all activities they simply take the wrong path; therefore their intelligence is in the mode of passion.
TEXT 32
अधर्मं धर्ममिति या मन्यते तमसावृता । 
    सर्वार्थान्विपरीतांश्च बुद्धिः सा पार्थ तामसी ॥ ३२ ॥
adharmaṁ dharmam iti yā manyate tamasāvṛtā sarvārthān viparītāṁś ca buddhiḥ sā pārtha tāmasī
adharmam —irreligion;  dharmam —religion;  iti —thus;  yā —which;  manyate —thinks;  tamasā —by illusion;  āvṛtā —covered;  sarva-arthān —all things;  viparītān —the wrong direction;  ca —also;  buddhiḥ —intelligence;  sa —that;  pārtha —O son of Pṛthā;  tāmasī —the mode of ignorance.
TRANSLATION
That understanding which considers irreligion to be religion and religion to be irreligion, under the spell of illusion and darkness, and strives always in the wrong direction, O Pārtha, is in the mode of ignorance.