O Brahmā, please know that the universal elements enter into the cosmos and at the same time do not enter into the cosmos; similarly, I Myself also exist within everything created, and at the same time I am outside of everything.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
एतावदेव जिज्ञास्यं तत्त्वजिज्ञासुनाऽऽत्मनः । अन्वयव्यतिरेकाभ्यां यत्स्यात्सर्वत्र सर्वदा
etāvadeva jijñāsyaṃ tattvajijñāsunā''tmanaḥ | anvayavyatirekābhyāṃ yatsyātsarvatra sarvadā
SB 2.9.35