Bhagavad Gita 6.31

सर्वभूतस्थितं यो मां भजत्येकत्वमास्थित: |
सर्वथा वर्तमानोऽपि स योगी मयि वर्तते

Translation

The yogi who is established in union with Me, and worships Me as the Supreme Soul residing in all beings, dwells only in Me, though engaged in all kinds of activities.