कर्मणः हि अपि बोद्धव्यम् बोद्धव्यम् च विकर्मणः
अकर्मणः च बोद्धव्यम् गहना कर्मणः गतिः

कर्मणो ह्यपि बोद्धव्यं बोद्धव्यं च विकर्मणः ।
अकर्मणश्च बोद्धव्यं गहना कर्मणो गतिः ॥४:१७॥

karmano hyapi boddhavyam boddhavyam cha vikarmanah
akarmanashcha boddavyam gahanaa karmano gatih ||4:17||

karmanah hi api boddhavyam boddhavyam cha vikarmanah
akarmanah cha boddhavyam gahanaa karmanah gatih

Purport Actions are indeed to be understood, bad actions also are to be understood, and inactions are to be understood as well; the destination of actions are profound.

कर्मणः (karmanah) -- actions
हि (hi) -- indeed
अपि (api) -- also; even; though
बोद्धव्यम् (boddhavyam) -- to be known or understood
बोद्धव्यम् (boddhavyam) -- to be known or understood
च (cha) -- also
विकर्मणः (vikarmanah) -- bad actions
अकर्मणः (akarmanah) -- inaction
च (cha) -- also; and
बोद्धव्यम् (boddhavyam) -- to be known or understood
गहना (gahanaa)-- profound; deep
कर्मणः (karmanah) -- of actions
गतिः (gatih) -- movement; destination