यया स्वप्नं भयं शोकं विषादं मदमेव च।
न विमुञ्चति दुर्मेधा धृतिः सा पार्थ तामसी।।18.35।।
18.35 That firmness is considered [Some editions read partha in place of mata (considered).-Tr.] to be born of tamas due to which a person with a corrupt intellect does not give up sleep, fear, sorrow, despondency as also sensuality.
18.35 That Dhrti by which a foolish person does not give up, i.e. persists in, sleep, and sensuous indulgence through the activities of the mind, vital force etc., - that Dhrti is of the nature of Tamas. The terms fear, grief and depression indicate the objects generating fear, grief etc. That Dhrti by which one maintains the activities of the mind, the vital force etc., as a means for these, is of the nature of Tamas.
Yayaa swapnam bhayam shokam vishaadam madameva cha; Na vimunchati durmedhaa dhritih saa paartha taamasee.
yayā—in which; svapnam—dreaming; bhayam—fearing; śhokam—grieving; viṣhādam—despair; madam—conceit; eva—indeed; cha—and; na—not; vimuñchati—give up; durmedhā—unintelligent; dhṛitiḥ—resolve; sā—that; pārtha—Arjun, the son of Pritha; tāmasī—in the mode of ignorance