You are looking for for Jeremiah 5:21. King James Version:
King James Bible
Hear now this, O foolish people, and without understanding; which have eyes, and see not; which have ears, and hear not:
Translations from many other Bible versions can be found here:
http://bible.cc/jeremiah/5-21.htm
There are additional verses in The Bible which are very similar:
http://www.phrases.org.uk/bulletin_board/5/messages/1615.html
Matthew 13:13
Isiah 6:9-10
You might also want to review the way the phrase has been used in literature here:
there-s-none-so-blind-as-those-who-will-not-see
That quote is not in the Bible; it is usually attributed to Benjamin Franklin.
There are two songs that use those lyrics: 1. "Everything is Beautiful" by Ray Stevens There is none so blind as he who will not see. We must not close our minds; we must let our thoughts be free. (http://www.lyricsdownload.com/ray-stevens-everything-is-beautiful-lyrics.html) 2. "None So Blind" by Z. Mulls There are none so blind as those who will not see None so blind as you and me (http://www.zmulls.com/lyricview?LyricNum=119)
I don't think it says that in the Bible. It's a Benjamin Franklin quote.
I do not think you will find that quote in the Bible. None of the major versions of the Bible include the words "perplexed people" (King James Version, New International Version, New American Standard Bible).
Albert Einstein is often credited with the quote "There are none so blind as those who refuse to see." This quote highlights the idea that some people can remain willfully ignorant even when the truth is presented to them.
there are none so blind as those who will not see
None So Blind was created in 1994-11.
"None so blind as those who will not see" appears in Matthew Henry's Commentaries (1708-1710). The proverb is an echo of The Book of the Prophet Jeremiah, 5:21: "Hear now this, O foolish people, and without understanding; which have eyes and see not; which have ears and hear not."
There is none
The author of the quote, 'honesty is a lethal weapon against those who have none themselves, is Cicero. Marcus Tullius Cicero, was a Roman philosopher, politician, lawyer, orator, political theorist, and consul. He was assassinated on December 7, 43 BC, in Formia, Italy.
None So Blind - 1915 was released on: USA: 11 February 1915
None So Blind - 1916 was released on: USA: 4 May 1916