यया धर्ममधर्मं च कार्यं चाकार्यमेव च।
अयथावत्प्रजानाति बुद्धिः सा पार्थ राजसी।।18.31।।
18.31 O Partha, that intellect is born of rajas with which one wrongly understands virtue and vice as also what ought to be done and ought not to be done.
18.31 That, by which one wrongly understands Dharma and Adharma and also what ought to be done and what ought not to be done that intellect, O Arjuna, is Rajasic (passionate).
18.31. The intellect, by means of which one decides incorrectly the righteous and the unrighteous ones and what is a proper action and also an improper onethat intellect is of the Rajas (Strand), O son of Prtha !
Yayaa dharmamadharmam cha kaaryam chaakaaryameva cha; Ayathaavat prajaanaati buddhih saa paartha raajasee.
yayā—by which; dharmam—righteousness; adharmam—unrighteousness; cha—and; kāryam—right conduct; cha—and; akāryam—wrong conduct; eva—certainly; cha—and; ayathā-vat—confused; prajānāti—distinguish; buddhiḥ—intellect; sā—that; pārtha—Arjun, the son of Pritha; rājasī—in the mode of passion
