Bhagwad Gita
Chapter 12, Verse 3
ये त्वक्षरमनिर्देश्यमव्यक्तं पर्युपासते।सर्वत्रगमचिन्त्यं च कूटस्थमचलं ध्रुवम्।।12.3।।
Those who worship the imperishable, the indefinable, the unmanifest, the omnipresent, the unthinkable, the immovable, and the eternal.