Bhagavad-gītā 18.32
BG 18.32
Open the full passageअधर्मं धर्ममिति या मन्यते तमसावृता । सर्वार्थान्विपरीतांश्च बुद्धिः सा पार्थ तामसी ॥३२॥
Sanskrit
adharmaṁ dharmam iti yā manyate tamasāvṛtā sarvārthān viparītāṁś ca buddhiḥ sā pārtha tāmasī
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.