The Bhagavad Gita (c. 2nd century BCE-2nd century CE)
“I have never
not existed;
nor have you, nor have
these lords of men.
Nor will we
cease to exist,
all of us,
from now onwards.”
- This quote is from discourse/chapter 2, verse 12 of the Bhagavad Gita (a Hindu scripture included in book 6 of the epic poem, the Mahabharata). The translation used here is by Laurie L. Patton (Penguin Classic, 2014).