Sarganam adir antas’ ca
madhyam caivaham arjuna
vadah pravadatam aham
(The Opulence of the Absolute, Text 32, Chapter 10)
Meaning: Of all creations I am the beginning and the end and also the middle, O Arjuna. Of all sciences I am the spiritual science of the self, and among logicians I am the conclusive truth.
Bhagavad-gita: I am the beginning/end/middle/spiritual science/conclusive truth (The Opulence of the Absolute, Text 32, Chapter 10)