Bhagavad-gītā 18.35
BG 18.35
Open the full passageयया स्वप्नं भयं शोकं विषादं मदमेव च । न विमुञ्चति दुर्मेधा धृतिः सा पार्थ तामसी ॥३५॥
Sanskrit
yayā svapnaṁ bhayaṁ śokaṁ viṣādaṁ madam eva ca na vimuñcati durmedhā dhṛtiḥ sā pārtha tāmasī
Translation
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.