Aporia

wiki:: Aporia
> In philosophy, an Aporia (Ancient Greek: ᾰ̓πορῐ́ᾱ, romanized: aporíā, lit. 'literally: "lacking passage", also: "impasse", "difficulty in passage", "puzzlement"') is a conundrum or state of puzzlement. In rhetoric, it is a declaration of doubt, made for rhetorical purpose and often feigned.