Śrīmad-Bhāgavatam · Text 10.85.4
Who is speaking and story frame
यत्र येन यतो यस्य यस्मै यद् यद् यथा यदा ।
स्यादिदं भगवान् साक्षात् प्रधानपुरुषेश्वर: ॥ ४ ॥
yatra yena yato yasya
yasmai yad yad yathā yadā
syād idaṁ bhagavān sākṣāt
pradhāna-puruṣeśvaraḥ
You are the Supreme Personality of Godhead, who manifest as the Lord of both nature and the creator of nature [Mahā-Viṣṇu]. Everything that comes into existence, however and whenever it does so, is created within You, by You, from You, for You and in relation to You.
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.