From wiktionary:
hyperbole (Noun, plural hyperboles)
(uncountable) Extreme exaggeration or overstatement; especially as a literary or rhetorical device.
(uncountable) Deliberate exaggeration.
(countable) An instance or example of this technique.
(countable, obsolete) A hyperbola.
There's No Such Thing as "Faith":
CS Lewis' Mistake?:
Precepts and Faith:
"Community" versus "Tribe":
Joss Whedon on Faith and True Believers: