Samkhya Karika 69

पुरुषार्थज्ञानमिदं गुह्यं परमर्षिणा समाख्यातम् ।
स्थित्युत्पत्तिप्रलयाश्चिन्त्यन्ते यत्र भूतानाम् ॥ ६९ ॥

puruṣārthajñānamidaṁ guhyaṁ paramarṣiṇā samākhyātam ।
sthityutpattipralayāścintyante yatra bhūtānām ॥ 69 ॥

Puruṣārtha=for the sake of Purusha; jñānam=knowledge; idaṁ=this; guhyaṁ=secret; parama=great; ṛṣiṇā=by the sage; samākhyātam=has been presented; sthiti=sustenance; utpatti=creation; pralayāḥ=dissolutions; cintyante=are considered; yatra=wherein; bhūtānām=of the beings

This deep, secret knowledge, intended for the liberation of Purusha, wherein the sustenance, creation and dissolution of the beings are considered, has been presented by the great Rishi.