tasmāc chāstraḿ pramāṇaḿ te
kāryākārya-vyavasthitau
jñātvā śāstra-vidhānoktaḿ
karma kartum ihārhasi
Translation
One should therefore understand what is duty and what is not duty by the regulations of the scriptures. Knowing such rules and regulations, one should act so that he may gradually be elevated.