„If I decide to be an idiot, then I’ll be an idiot on my own accord.“

„We're so different. You're an intellectual. I'm an idiot."
"Don't say that," I yelled. "You're not an idiot, you stupid idiot.“

—  Melina Marchetta, book Looking for Alibrandi

Source: Looking for Alibrandi

„The world is a raving idiot, and no man can kill it: though I’ll do my best. But you’re right. We must rescue ourselves as best we can.“

—  D.H. Lawrence, book Lady Chatterley's Lover

Source: Lady Chatterley's Lover

„Perhaps it's not that I'm frigid-- it's that once I decide I like a guy, I turn into a raging idiot, unfit for public appearances.“

—  Rachel Cohn American writer 1968

Source: Nick & Norah's Infinite Playlist

„He may look like an idiot and talk like an idiot but don't let that fool you. He really is an idiot.“

—  Groucho Marx American comedian 1890 - 1977

„My theory is that we are all idiots. The people who don’t think they’re idiots — they’re the ones that are dangerous.“

—  Eric Sykes English actor and director 1923 - 2012

Quoted in The Daily Telegraph, 4 Jul 2012 http://www.telegraph.co.uk/news/obituaries/culture-obituaries/tv-radio-obituaries/9375396/Eric-Sykes.html

„If we accept the Greek's definition of the idiot as an altogether private man, then we must conclude that many American citizens are now idiots. And I should not be surprised, although I don't know, if there were some such idiots even in Germany.“

—  C. Wright Mills American sociologist 1916 - 1962

"Structure of Power in America", The British Journal of Sociology, Vol. 9 (March 1958).
1950s

„What!?! Idiot shot the tires on my van!!“

—  Mr. T American actor and retired professional wrestler 1952

Quotes from acting

„Are you an idiot, or an idiot?' Gargarin hissed.

'The first one. I really resent being called the second.“

—  Melina Marchetta Australian teen writer 1965

Source: Froi of the Exiles

„Like all boys my age, I was an idiot when it came to women.“

—  Patrick Rothfuss, book The Name of the Wind

Source: The Name of the Wind (2007), Chapter 62, “Leaves” (p. 465)

„In Aberdeen, I hated my best friends with a passion, because they were idiots.“

—  Kurt Cobain American musician and artist 1967 - 1994

As quoted in The Daily Of The University Of Washington (1989-05-05).
Interviews (1989-1994), Print

„Clearly," said Arthur,"you're an idiot- but you're our kind of idiot. Come on.“

—  Markus Zusak, book The Book Thief

Source: The Book Thief

„My father liked me, when I wasna being an idiot. And he loved me, too -- enough to beat the daylights out of me when I was being an idiot. Jamie Fraser“

—  Diana Gabaldon, book Outlander

Source: Outlander

„Twoflower was a tourist, the first ever seen on the discworld. Tourist, Rincewind had decided, meant 'idiot'.“

—  Terry Pratchett English author 1948 - 2015

Source: The Color of Magic

„It's from a video game, idiot! (or possibly "It's from a video game idiot!")“

—  Timbaland American record producer, rapper, record executive and singer from Virginia 1972

Elliot in the Morning, 2007-02-02

„To generalize is to be an idiot.“

—  William Blake English Romantic poet and artist 1757 - 1827

„That woman is an idiot.“

—  Keith Olbermann American sports and political commentator 1959

Catch Phrases
Source: http://tvtropes.org/pmwiki/pmwiki.php/Main/CountdownWithKeithOlbermann

„Everyone is an idiot," I stated. "Except me.“

—  Sherwood Smith American fantasy and science fiction writer 1951

Source: The Trouble with Kings

„How sweet to be an idiot
At my back
With no fear of attack
As much retaliation as a toy.“

—  Neil Innes British comic songwriter 1944 - 2019

How sweet to be an idiot (1973).

„It's hard to hate my prep team. They're such total idiots." - Katniss.“

—  Suzanne Collins, The Hunger Games

Variant: Its hard to hate my prep team. They're such total idiots.
Source: The Hunger Games