CONAN ponders the philosophical nature of reality

CONAN is aware of the various debates raging amongst the thinkers of the time regarding the nature of reality, but is pragmatic about the options,

Let teachers and priests and philosophers brood over questions of reality and illusion. I know this: if life is an illusion, then I am no less illusion, and being thus, the illusion is real to me.

From "Queen of the Black Coast"
Page 246. The Complete Chronicles of CONAN.