I am looking for a phrase which completes the sentence with following meaning.

Ignorance is bliss but its consequence is disastrous.

I came up with its consequence is disastrous.

Is there any known phrase or proverb close to this meaning?

  • 1
    Can't think of a well-known one, so won't answer, but if extending the "ignorance is bliss" I'd perhaps turn it so that its the bliss that gets blamed; "ignorance is bliss, but bliss can be dangerous" or some such.
    – Jon Hanna
    Commented Sep 20, 2017 at 20:15
  • Yours and @JonHanna 's are both very good! You could also consider combining it with other "ignorance" quotes, like "... but it 's [still] not a virtue." or "... but it [still] excuses no one/not."
    – Papa Poule
    Commented Sep 20, 2017 at 20:28
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    Ignorance of the law is no excuse is an actual idiomatic phrase. Commented Sep 20, 2017 at 20:30
  • 1
    @Clare OH wow. You just connected things in my head and I'm totally going to use "ignorance of the law isn't bliss" or something similar in a political context soon. Thanks!
    – Jon Hanna
    Commented Sep 20, 2017 at 20:41
  • @Clare it's also a fact.
    – BruceWayne
    Commented Sep 21, 2017 at 0:02

1 Answer 1


From Thomas Gray's poem, Ode on a Distant Prospect of Eton College (1742)

the actual full phrase...

"—where ignorance is bliss, 'Tis folly to be wise." (Thomas Grey Archive)

Many compare this with the phrase: "What you don't know can't hurt you"

I prefer Ricky Gervais' take:

"Ignorance is bliss. But only for the ignorant."

  • But only for the ignorant. That's a good one. What should we call it ? A satire ?
    – Rahul
    Commented Sep 21, 2017 at 2:24

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