Bhagwad Gita
Chapter 6, Verse 31
सर्वभूतस्थितं यो मां भजत्येकत्वमास्थितः।
सर्वथा वर्तमानोऽपि स योगी मयि वर्तते।।6.31।।
The yogi who knows that I and the Supersoul within all creatures are one worships Me and remains always in Me in all circumstances.