BG 18.35
यया स्वप्नं भयं शोकं विषादं मदमेव च ।
न विमुञ्चति दुर्मेधा धृतिः सा पार्थ तामसी ॥
न विमुञ्चति दुर्मेधा धृतिः सा पार्थ तामसी ॥
yayā svapnaṁ bhayaṁ śokaṁ viṣādaṁ madam eva ca
na vimuñcati durmedhā dhṛtiḥ sā pārtha tāmasī
na vimuñcati durmedhā dhṛtiḥ sā pārtha tāmasī
Word-for-word meanings
sā — that; dhṛtiḥ — determination; yayā — by which; durmedhā — a person bereft of discrimination; na vimuñcati — is unable to relinquish; svapnam — sleep; bhayam — fear; śokam — grief; viṣādam — depression; eva ca — and indeed; madam — pride; tāmasī — [is] tāmasika; pārtha — O son of Pṛthā.
Translation
That determination by which a person bereft of discrimination is unable to relinquish sleep, fear, grief, depression, and pride is tāmasika, O Pārtha.