Bhagavad Gita 11.47

श्रीभगवानुवाच The Blessed Lord said

मया प्रसन्नेन तवार्जुनेदंरूपं परं दर्शितमात्मयोगात्।तेजोमयं विश्वमनन्तमाद्यंयन्मे त्वदन्येन न दृष्टपूर्वम् ॥११.४७॥

mayā prasannena tavārjunedaṃrūpaṃ paraṃ darśitamātmayogāttejomayaṃ viśvamanantamādyaṃyanme tvadanyena na dṛṣṭapūrvam

The Blessed Lord said, "O Arjuna, this Cosmic Form has graciously been shown to you by Me through My own Yogic power. It is full of splendour, primeval, and infinite; this Cosmic Form of Mine has never been seen before by anyone other than you."

गीता