The eleventh chapter of the Bhagavad Gita is Vishwaroopa Darshana Yoga. In this chapter, Arjuna requests Krishna to reveal His Universal Cosmic Form that encompasses all the universes, the entire existence. Arjuna is granted divine vision to be able to see the entirety of creation in the body of the Supreme Lord Krishna.
At that time, Pandava saw there, in the body of the God of gods, the whole diversely differentiated Universe united in the one (Cosmic form).OPEN VERSE
Then, filled with wonder, with hairs standing on end, he, Dhananjaya, (Arjuna), bowing down with his head to the Lord, said with folded hands:OPEN VERSE
Arjuna said: O God, I see in Your body all the gods as also hosts of (various) classes of beings; Brahma the ruler, sitting on a lotus seat, and all the heavenly sages and serpents.OPEN VERSE
I see You as possessed of numerous arms, bellies, mouths and eyes; as having infinite forms all around. O Lord of the Universe, O Cosmic Person, I see not Your limit nor the middle, nor again the beginning!OPEN VERSE
I see You as wearing a crown, wielding a mace, and holding a disc; a mass of brilliance glowing all around, difficult to look at from all sides, possessed of the radiance of the blazing fire and sun, and immeasurable.OPEN VERSE
You are the Immutable, the supreme One to be known; You are the most perfect repository of this Universe. You are the Imperishable, the Protector of the ever-existing religion; You are the eternal Person. This is my belief.OPEN VERSE