Kṛṣṇa uses a beautiful analogy from nature to explain the soul’s purity. He compares the soul to the sky (‘Ākāśa’). The sky is everywhere—it is inside a house and inside a sewer—but because it is subtle, it never mixes with the things it contains. You can throw mud into the air, but the sky doesn’t get muddy; the mud just falls back down. Similarly, the soul is situated throughout the body, but it is never tainted by the body’s activities. The soul provides the consciousness for the body to function, but it remains aloof from the chemical reactions and the physical decay. It is the silent, pure space within which the body’s drama takes place. This ‘subtlety’ is the hallmark of spirit. This verse helps us practice ‘detachment by analogy’. When you feel overwhelmed by physical pain or mental stress, imagine yourself as the sky. The clouds of pain may pass through you, but they cannot stain you. You are the vast, eternal space of awareness that remains clear and untouched by the weather of the material world.