Bhagavad Gita: Chapter 18/Verse 13

पञ्चैतानि महाबाहो कारणानि निबोध मे ।

सांख्ये कृतान्ते प्रोक्तानि सिद्धये सर्वकर्मणाम् ॥१८- १३॥

pañcaitāni mahābāho kāraṇāni nibodha me ।


sāṃkhye kṛtānte proktāni siddhaye sarvakarmaṇām ॥18- 13॥

You must learn these five causes, Mighty Armed One, declared in my Samkhya doctrine for the accomplishment of all actions. 


pañcaitāni (pañca + itāni) (neuter, accusative, plural) = these five  

mahābāho (masculine, vocative, singular) = Mighty Armed One (applied to Arjuna)

kāraṇāni (neuter, accusative, plural) = causes 

nibodha (imperative, 2nd person, singular) = you must learn 

me (pronoun, 1st person, genitive, singular) = my

sāṃkhye (masculine, locative, singular) = in Samkhya 

kṛtānte (masculine, locative, singular) = in the doctrine 

proktāni (past passive participle, neuter, accusative, plural) = declared 

siddhaye (feminine, dative, singular) = for the accomplishment 

sarvakarmaṇām (neuter, genitive, plural) = of all actions