Verse
पंचैतानि महाबाहो कारणानि निबोध मे ।सांख्ये कृतान्ते प्रोक्तानि सिद्धये सर्वकर्मणाम् ॥
paṃcaitāni mahābāho kāraṇāni nibodha mesāṃkhye kṛtānte proktāni siddhaye sarvakarmaṇām
These five causes, O mighty-armed, learn of Me as laid down by the Sankhya for the accomplishment of all works.
Gītā 18·13