Bhagavad Gita 18.13 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

Meaning

Learn from me, O mighty-armed, these five causes for the accomplishment of all actions, as described in the Sankhya teaching.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 18.13 (Chapter 18, Liberation through Renunciation (Moksha Sannyasa Yoga), Verse 13)