Chapter 15 · The Supreme Person · Krishna said
Bhagavad Gita 15.18 — Purushottama
यस्मात्क्षरमतीतोऽहमक्षरादपि चोत्तमः। अतोऽस्मि लोके वेदे च प्रथितः पुरुषोत्तमः ॥
yasmātkṣaramatīto'hamakṣarādapi cottamaḥ | ato'smi loke vedeca prathitaḥ puruṣottamaḥ ||
Meaning
Because I am beyond the perishable and higher even than the imperishable, I am celebrated in the world and in the Vedas as Purushottama, the Supreme Person.