Adhyāya 18 • Shloka 35

यया स्वप्नं भयं शोकं विषादं मदमेव च | न विमुञ्चति दुर्मेधा धृतिः सा पार्थ तामसी || ३५ ||

yayā svapnaṁ bhayaṁ śokaṁ viṣādaṁ madam eva ca | na vimuñcati durmedhā dhṛtiḥ sā pārtha tāmasī || 35 ||

"And that determination which cannot go beyond dreaming, fearfulness, lamentation, moroseness and illusion—such unintelligent determination, O son of Pṛthā, is in the mode of darkness."