Bhagavad Gita 18.20 Chapter 18, Verse 20

सर्वभूतेषु येनैकं भावमव्ययमीक्षते ।
अविभक्तं विभक्तेषु तज्ज्ञानं विद्धि सात्त्विकम् ॥१८.२०॥

sarvabhūteṣu yenaikaṃ bhāvamavyayamīkṣate
avibhaktaṃ vibhakteṣu tajjñānaṃ viddhi sāttvikam

Meaning

Knowledge by which one sees the one imperishable reality in all beings, undivided in the divided — know that knowledge to be sattvic.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 18.20 (Chapter 18, Liberation through Renunciation (Moksha Sannyasa Yoga), Verse 20)