Bhagavad Gita Chapter 4.16
kiḿ karma kim akarmeti
kavayo ‘py atra mohitāḥ
tat te karma pravakṣyāmi
yaj jñātvā mokṣyase ‘śubhāt
Translation
Even the intelligent are bewildered in determining what is action and what is inaction. Now I shall explain to you what action is, knowing which you shall be liberated from all misfortune.