अव्यक्तोऽयमचिन्त्योऽयमविकार्योऽयमुच्यते। तस्मादेवं विदित्वैनं नानुशोचितुमर्हसि।।2.25।।
avyakto ’yam achintyo ’yam avikāryo ’yam uchyate tasmādevaṁ viditvainaṁ nānuśhochitum arhasi
This Self is said to be unmanifested, unthinkable, and unchangeable. Therefore, knowing this to be so, you should not grieve.