B.G 18.34

यया तु धर्मकामार्थान् धृत्या धारयतेऽर्जुन। प्रसङ्गेन फलाकाङ्क्षी धृतिः सा पार्थ राजसी ॥३४॥

yayā tu dharmakāmārthān dhṛtyā dhārayate'rjuna। prasaṅgena phalākāṅkṣī dhṛtiḥ sā pārtha rājasī ॥34॥

[यया (yayā) - by which; तु (tu) - but; धर्मकामार्थान् (dharmakāmārthān) - righteousness, desires, and wealth; धृत्या (dhṛtyā) - with fortitude; धारयते (dhārayate) - sustains; अर्जुन (arjuna) - Arjuna; प्रसङ्गेन (prasaṅgena) - with attachment; फलाकाङ्क्षी (phalākāṅkṣī) - desiring results; धृतिः (dhṛtiḥ) - determination; सा (sā) - that; पार्थ (pārtha) - O son of Pritha; राजसी (rājasī) - in the mode of passion;]

O Arjuna, the determination that sustains righteousness, desires, and wealth with attachment and a desire for results is considered to be in the mode of passion (rājasī).