Bhagavad-gītā 14.5
BG 14.5
Open the full passageसत्त्वं रजस्तम इति गुणाः प्रकृतिसम्भवाः । निबध्नन्ति महाबाहो देहे देहिनमव्ययम् ॥५॥
Sanskrit
sattvaṁ rajas tama iti guṇāḥ prakṛti-sambhavāḥ nibadhnanti mahā-bāho dehe dehinam avyayam
Translation
Material nature consists of three modes—goodness, passion and ignorance. When the eternal living entity comes in contact with nature, O mighty-armed Arjuna, he becomes conditioned by these modes.