The Supreme Lord Personality of Godhead is Himself this cosmos, and still He is aloof from it. From Him only has this cosmic manifestation emanated, in Him it rests, and unto Him it enters after annihilation. Your good self knows all about this. I have given only a synopsis.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
इदं हि विश्वं भगवानिवेतरो यतो जगत्स्थाननिरोधसम्भवाः । तद्धि स्वयं वेद भवांस्तथापि वै प्रादेशमात्रं भवतः प्रदर्शितम्
idaṃ hi viśvaṃ bhagavānivetaro yato jagatsthānanirodhasambhavāḥ | taddhi svayaṃ veda bhavāṃstathāpi vai prādeśamātraṃ bhavataḥ pradarśitam
SB 1.5.20