O my lord, being changelessly situated in your own abode, you expand your universal form within this cosmic manifestation, thus appearing to taste the material world. You are Brahman, the Supersoul, the oldest, the Personality of Godhead.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
व्यक्तं विभो स्थूलमिदं शरीरं येनेन्द्रियप्राणमनोगुणांस्त्वम् । भुङ्क्षे स्थितो धामनि पारमेष्ठ्ये अव्यक्त आत्मा पुरुषः पुराणः
vyaktaṃ vibho sthūlamidaṃ śarīraṃ yenendriyaprāṇamanoguṇāṃstvam | bhuṅkṣe sthito dhāmani pārameṣṭhye avyakta ātmā puruṣaḥ purāṇaḥ
SB 7.3.33