Canto 2 -
Ayodhyā-kāṇḍa
Chapter 106: Bharata Persists in His Request
Text 2.106.12

को हि धर्मार्थयोर्हीनमीदृशं कर्म किल्बिषम्।
स्त्रियाः प्रियं चिकीर्षुः सन्कुर्याद्धर्मज्ञ धर्मवित्॥

ko hi dharmārthayor hīnam īdṛśaṁ karma kilbiṣam
striyāḥ priyaṁ cikīrṣuḥ san kuryād dharmajña dharmavit

kaḥ hi = which; dharma-arthayoḥ = dharma and artha; hīnam = devoid of; īdṛśam = such; karma = activity; kilbiṣam = a sinful; striyāḥ = a woman; priyam = pleasing; cikīrṣuḥ san = would become desirous of; kuryāt = and perform; dharmajña = O knower of dharma; dharmavit = man in knowledge of dharma.

O knower of dharma, which man in knowledge of dharma would become desirous of pleasing a woman and perform such a sinful activity devoid of dharma and artha?

“Devoid of dharma and artha” indicates that the sinful activity [of preventing the coronation and banishing Rāma to the forest] was primarily based on kāma.