prakṛtyaiva ca karmāṇi
yaḥ paśyati tathātmānam
akartāraṁ sa paśyati
prakṛtyā — by material nature; eva — certainly; ca — also; karmāṇi — activities; kriyamāṇāni — being performed; sarvaśaḥ — in all respects; yaḥ — anyone who; paśyati — sees; tathā — also; ātmānam — himself; akartāram — the nondoer; saḥ — he; paśyati — sees perfectly.
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.
. . .
प्रकृत्यैव च कर्माणि क्रियमाणानि सर्वश: ।
य: पश्यति तथात्मानमकर्तारं स पश्यति ॥ ३० ॥