Bhagavad-gītā 18.21
BG 18.21
Open the full passageपृथक्त्वेन तु यज्ज्ञानं नानाभावान्पृथग्विधान् । वेत्ति सर्वेषु भूतेषु तज्ज्ञानं विद्धि राजसम् ॥२१॥
Sanskrit
pṛthaktvena tu yaj jñānaṁ nānā-bhāvān pṛthag-vidhān vetti sarveṣu bhūteṣu taj jñānaṁ viddhi rājasam
Translation
That knowledge by which one sees that in every different body there is a different type of living entity you should understand to be in the mode of passion.