A class on Bhagavad Gita 4.17 given by His Divine Grace A.C. Bhaktivedanta Swami Prabhupada on April 6, 1974 in Mumbai, India.
Bhagavad Gita 4.17
karmaṇo hy api boddhavyaṁ
boddhavyaṁ ca vikarmaṇaḥ
akarmaṇaś ca boddhavyaṁ
gahanā karmaṇo gatiḥ
The intricacies of action are very hard to understand. Therefore one should know properly what action is, what forbidden action is and what inaction is.