कर्मणो ह्यपि बोद्धव्यं बोद्धव्यं च विकर्मणः ।
अकर्मणश्च बोद्धव्यं गहना कर्मणो गतिः ॥
४-१७ ॥
karmaṇo hyapi boddhavyaṃ boddhavyaṃ ca vikarmaṇaḥ |
akarmaṇaśca boddhavyaṃ gahanā karmaṇo gatiḥ ||
4-17 ||
For one must understand the nature of action, the nature of forbidden action, and the nature of inaction; deep is the course of action.