prakṛiteḥ kriyamāṇāni guṇaiḥ karmāṇi sarvaśhaḥ
ahankāra-vimūḍhātmā kartāham iti manyate
All activities are carried out by the three modes of material nature. But in ignorance, the soul, deluded by false identification with the body, thinks itself to be the doer.
Word by Word Meaning:
prakṛiteḥ - of material nature
kriyamāṇāni - carried out
guṇaiḥ - by the three modes
karmāṇi - activities
sarvaśhaḥ - all kinds of
ahankāra-vimūḍha-ātmā - those who are bewildered by the ego and misidentify themselves with the body
kartā - the doer
aham - I
iti - thus
manyate - thinks