Śrīmad-Bhāgavatam · Text 11.22.12
Who is speaking and story frame
प्रकृतिर्गुणसाम्यं वै प्रकृतेर्नात्मनो गुणा: ।
सत्त्वं रजस्तम इति स्थित्युत्पत्त्यन्तहेतव: ॥ १२ ॥
prakṛtir guṇa-sāmyaṁ vai
prakṛter nātmano guṇāḥ
sattvaṁ rajas tama iti
sthity-utpatty-anta-hetavaḥ
Nature exists originally as the equilibrium of the three material modes, which pertain only to nature, not to the transcendental spirit soul. These modes — goodness, passion and ignorance — are the effective causes of the creation, maintenance and destruction of this universe.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.