What some examples of Aporia in historical speeches?

Aporia - rhetorical device used to express uncertain (sometimes feigned) doubt

"if I were standing at the beginning of time, with the possibility of taking a kind of general and panoramic view of the whole of human history up to now, and the Almighty said to me, "Martin Luther King, which age would you like to live in?"

-I've Been to the Mountaintop (1968)