Bhagavad Gita 6.29 Chapter 6, Verse 29

सर्वभूतस्थमात्मानं सर्वभूतानि चात्मनि ।
ईक्षते योगयुक्तात्मा सर्वत्र समदर्शनः ॥६.२९॥

sarvabhūtasthamātmānaṃ sarvabhūtāni cātmani
īkṣate yogayuktātmā sarvatra samadarśanaḥ

Meaning

One whose self is united in yoga, seeing equally everywhere, sees the Self in all beings and all beings in the Self.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 6.29 (Chapter 6, The Yoga of Meditation (Atma Samyama Yoga), Verse 29)