Sankhya Karika Verse 69
Sanskrit Verse
पुरुषार्थज्ञानमिदं गुह्यं परमर्षिणा समाख्यातम् । स्थित्युत्पत्तिप्रलयाश्चिन्त्यन्ते यत्र भूतानाम् ॥ ६९ ॥
Transliteration
puruṣārtha jñānam idaṃ guhyaṃ parama-rṣiṇā samākhyātam | sthiti utpatti pralayaḥ cintyaṅte yatṛa bhūtānām ||
Translation
This abstruse knowledge, adapted to the end of Purusa, wherein the production, duration, and dissolution of beings are considered, has been thoroughly expounded by the great Risi.
Reference: Sankhya Karika

Muni's Play