Krishna said: 12. The ultimate reality is the unchanging, all-pervading Brahman. The self is a spark of this Brahman.
: The Pandava Gita is a long text, and I couldn't provide the entire text here. If you're interested, I can try to provide more verses or point you to a reliable online source.
Arjuna said: 3. You have said that the soul is eternal and imperishable. How can it be that the embodied soul experiences pleasure and pain? pandava gita pdf
Here is the text of the Pandava Gita:
Krishna said: 6. The soul is affected by the reactions of the material body, just as the air is affected by the movements of a flag. Krishna said: 12
Arjuna said: 9. What is the characteristic of a self-realized soul? How can one become self-realized?
... (the text continues)
Arjuna said: 11. What is the ultimate reality? What is the nature of the self?