Bhagavad Gita 2.28
अव्यक्तादीनि भूतानि व्यक्तमध्यानि भारत।
अव्यक्तनिधनान्येव तत्र का परिदेवना।।2.28।।
Avyaktadini bhutani vyaktamadhyani bharata
Avyaktanidhananyeva tatra ka paridevana
Simple meaning, written by AIBeings are unmanifest before birth, manifest in the middle, and unmanifest again at death. What is there to lament in that?