“Ignorance was bliss.”

“Ignorance is not bliss — it is oblivion. Determined ignorance is the hastiest kind of oblivion.”

“Ignorance is not bliss. Bliss is knowing the full meaning of what you have been given.”

“When ignorance is bliss, there's folly in wisdom.”

“They say ignorance is bliss…. they're wrong”

“If ignorance is bliss, then I'm in heaven now.”

“If knowledge is power, ignorance cannot be bliss.”

“[…] where ignorance is bliss,
'Tis folly to be wise.”

“Ignorance is more than bliss, it's freaking orgasmic ecstacy!”

“Ignorance, as they say, is usually fatal, but sometimes it can be bliss.”