Jyotirmai Singh

Physicist, Tinkerer

Bhagavad Gītā 18.18

ज्ञानं ज्ञेयं परिज्ञाता त्रिविधा कर्मचोदना ।
करणं कर्म कर्तेति त्रिविध: कर्मसंग्रह: ।।१८।।

Sanskrit Analysis (Sandhi Removed)
ज्ञानं ज्ञेयं परिज्ञाता
jñānaṃ jñeyaṃ parijñātā
jñānam (n. sg. nom.) - Knowledge

jñeyam (n. sg. nom. gerundive of √jñā [9P]) - That which is to be known

parijñātā (m. sg. nom.) - Knower
त्रिविधा कर्मचोदना
trividhā karmacodanā
trividhā (f. sg. nom.) - Threefold

karma (n. stem) - Action
codanā (f. sg. nom.) - Impetus
karmacodanā (f. sg. nom. tp.) - Impetus of action
करणं कर्म कर्तेति
karaṇaṃ karma karteti
karaṇam (n. sg. nom.) - Instrument

karma (n. sg. nom.) - Action

kartā (m. sg. nom.) - Doer

iti - Thus
त्रिविध: कर्मसंग्रह:
trividhaḥ karmasaṃgrahaḥ
trividhaḥ (m. sg. nom.) - Threefold

karma (n. stem) - Action
saṃgrahaḥ (m. sg. nom. PPP of sam + √grah [9P]) - Things assembled together
karmasaṃgrahaḥ (m. sg. nom.) - Factors of action

Threefold is the impetus of action: knowledge, the object of knowledge, and the knower. Threefold are the factors of action: the instrument, the action, and the doer.