|Chapter 14, Verse 5|
सत्त्वं रजस्तम इति गुणाः प्रकृतिसंभवाः।निबध्नन्ति महाबाहो देहे देहिनमव्ययम्।।14.5।।
Transliteration / Meaning
sattvaṁ rajas tama iti guṇāḥ prakṛiti-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.
Purport by Srila Prabhupada
The living entity, because he is transcendental, has nothing to do with this material nature. Still, because he has become conditioned by the material world, he is acting under the spell of the three modes of material nature. Because living entities have different kinds of bodies, in terms of the different aspects of nature, they are induced to act according to that nature. This is the cause of the varieties of happiness and distress.