One verse

Bhagavad Gita 14.5

14.5

सत्त्वं रजस्तम इति गुणाः प्रकृतिसम्भवाः | निबध्नन्ति महाबाहो देहे देहिनमव्ययम् ||१४-५||

sattvaṃ rajastama iti guṇāḥ prakṛtisambhavāḥ . nibadhnanti mahābāho dehe dehinamavyayam ||14-5||

sattvam
the mode of goodness
rajaḥ
the mode of passion
tamaḥ
the mode of ignorance
iti
thus
guṇāḥ
the qualities
prakṛti
material nature
sambhavāḥ
produced of
nibadhnanti
do condition
mahā-bāho
O mighty-armed one
dehe
in this body
dehinam
the living entity
avyayam
eternal

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.