Answer:

ignorance

Answer	Crossword Clue
IGNORANCE	"Prejudice is the child of ...": William Hazlitt
IGNORANCE	Bliss?
IGNORANCE	Unawareness

IGNORANCE	Lack of knowledge
IGNORANCE	The only evil, per Socrates
IGNORANCE	No excuse, to the law.
IGNORANCE	Proverbially, bliss.
IGNORANCE	Dropout's problem.
IGNORANCE	Bliss, at times
IGNORANCE	Bliss of sorts
IGNORANCE	Illiteracy

IGNORANCE	Blissful state?
IGNORANCE	"No nation is permitted to live in ... with impunity": Jefferson
IGNORANCE	Bliss, it is said