Bhagavad Gita Chapter 13.30
prakṛtyaiva ca karmāṇi
kriyamāṇāni sarvaśaḥ
yaḥ paśyati tathātmānam
akartāraḿ sa paśyati
Translation
One who can see that all activities are performed by the body, which is created of material nature, and sees that the self does nothing, actually sees.