I just stumbled across footage today of J. Robert Oppenheimer famously quoting the Bhagavad Gita, saying, "Now I am become death, the destroyer of worlds." It's pretty powerful, considering the context.
https://www.youtube.com/watch?v=26YLehuMydo
What are some of your favorite quotes? They can be inspiring, sad, funny, epic, philosophical, whatever. Post em up.