“Sometimes words drew blood, they cut your tongue, they made you know things you couldn't unknow.”
Source: The Story Sisters
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Alice Hoffman 85
Novelist, young-adult writer, children's writer 1952Related quotes

“When you cut out a man's tongue, you make his words matter that much more.”
BANNED! BIG CREATORS GETTING THE BOOT OVER NEW SCANDAL! (Published 20 July 2016, at 5min 21 sec) https://www.youtube.com/watch?v=DI4r0mSe7BY&feature=youtu.be&t=5m21s
BANNED! BIG CREATORS GETTING THE BOOT OVER NEW SCANDAL! (2016)

“Once you know some things, you can't unknow them. It's a burden that can never be given away.”
Source: Incantation

"Still Don't Give A Fuck" (Track 20).
1990s, The Slim Shady LP (1999)

“Teach your tongue to say "I do not know" and you will progress.”
This is actually from the Talmud (Tractate Berachot 4a)
Misattributed

Inès reiterating to Garcin that they cannot ignore one another, Act 1, sc. 5
No Exit (1944)
Source: No Exit and Three Other Plays

"Alien Dreamtime" a multimedia event recorded live. (27 February 1993)