On becoming a vegan: "I just threw up the white flag. Too many prison cells, jail, too many lawsuits, too many bankruptcies, too many women, too many venereal diseases, too many everything. I got tired. I really got tired of, um, every time my prostitute girlfriend came back from a trip I had to sleep with her, so I said, 'You know, I'm going to live a different life.' I'm sorry, I'm sorry! I was a prostitute hunter."
Who do you think said it? NBA star Metta World Peace, who's known for his wacky quotes, or former heavyweight boxing champion-turned-actor Mike Tyson?
On controversial abortion-related legislation: "I'm flattered that you're all so interested in my vagina, but no means no."
Who do you think said it? Former Playboy Playmate-turned-reality star Kendra Wilkinson or Rep. Lisa Brown?
Pacquiao vs. Bradley
On boxer Timothy Bradley's controversial victory: "I've never been as ashamed of the sport of boxing as I am tonight.''
Who do you think said it? Boxing promoter Bob Arum or champion boxer Manny Pacquiao?
On being spotted holding a cigarette: "Yikes! Me holding a cigarette for my friend might have been a bad idea! Pretty bummed about the photo. Sorry guys, looks worse than it is!"
Which former child star do you think said it? Former "Hannah Montana" star-singer Miley Cyrus or actress and new mom Hilary Duff.
Famous dysfunctional families
On his dysfunctional family history: "Happy father's day -- or as they call it in my family, happy brother-in-law's day."
Who do you think said it? Ronan Farrow, the biological son of director Woody Allen and actress Mia Farrow, or former child actor Macaulay Culkin, who is estranged from his father?
Actresses who played Catwoman
On donning the Catwoman suit: "It was a psychological terrorist. The suit, thoughts of my suit, changing my life so I would fit into that suit. ... It dominated my year."
Who do you think said it? Halle Berry, who played a sexier version in 1994's "Catwoman," or Anne Hathaway, who is in the upcoming movie "The Dark Knight Rises"?
On U.S. Anti-Doping Agency charges: "I have never doped, and, unlike many of my accusers, I have competed as an endurance athlete for 25 years with no spike in performance, passed more than 500 drug tests and never failed one."
Who do you think said it? Seven-time Tour de France winner Lance Armstrong, who has been accused countless times of doping, or Floyd Landis, who won the 2006 Tour but later admitted to doping?
Shortest celebrity marriages
On her 72-day marriage: "I think when people first meet, everything is great in the beginning, but I didn't spend more than a whole week with my ex before we married. When we moved in together, I saw how our relationship was … I don't want to get into the small things, but once we moved in, I knew he was not the one."
Who do you think said it? Singer-actress Jennifer Lopez or reality-show queen Kim Kardashian?
1992 Los Angeles riots
On the June 17 death of Rodney King, who became known after his brutal beating by L.A. police in 1991 was filmed by a bystander: "Rodney King was a symbol of civil rights, and he represented the anti-police brutality and anti-racial profiling movement of our time."
Who do you think said it? Los Angeles City Council member Bernard Parks or civil rights leader Al Sharpton?
MLB steroid scandal
On being acquitted of perjury charges: "It has been a hard five years. I put a lot of hard work into that career. I appreciate my teammates that came in and all the emails and phone calls from my teammates."
Which former MLB icon do you think said it? Pitching legend Roger Clemens or former home-run king Barry Bonds?
Late-night talk shows
On returning to late-night TV: "It's an amazing feeling to be going home to my old friends and colleagues and firing up our 'Night Thing.' Let's get busy ... again!"
Which former talk-show host do you think said it? Arsenio Hall, who hosted "The Arsenio Hall Show" in the early 1990s, or NBA legend Magic Johnson?
Major league perfect games
On pitching a perfect game: "This is incredible right now. It was unbelievable. The guys did a great job making it, in a way, kind of relaxing, because they were able to get on the board early."
Which recent perfect-game winner do you think said it? Chicago White Sox pitcher Philip Humber or San Francisco Giants pitcher Matt Cain?
Adidas 'shackle' shoes
On Adidas' controversial new sneakers: "The attempt to commercialize and make popular more than 200 years of human degradation, where blacks were considered three-fifths human by our Constitution is offensive, appalling and insensitive."
Who do you think said it? Civil rights leader the Rev. Jesse Jackson or acclaimed author and Renaissance woman Maya Angelou?
Famous people with multiple sclerosis
"Thank you all so much for the kind and inspirational words. It means a lot. Adapt and overcome."
Which person with MS do you think said it? Ann Romney, the wife presidential nominee Mitt Romney, or former reality star and new dad Jack Osbourne
The Second Amendment
On the right to bear arms: "In 1939, Germany established gun control. From 1939 to 1945, 6 million Jews and 7 million others unable to defend themselves were exterminated."
Who do you think said it? Former vice presidential nominee Sarah Palin or "Joe the Plumber"?
Nobel Peace Prize winners
On winning the Nobel Peace Prize: "The Nobel Peace Prize opened up a door in my heart."
Which winner do you think said it? Myanmar pro-democracy leader Daw Aung San Suu Kyi or former vice president Al Gore?
Greek euro zone vote
On Greek election results: "The Greek government will and must naturally follow through on the commitments that were made. There can be no loosening of the reform steps."
Who do you think said it? Russian President Vladimir Putin or German Chancellor Angela Merkel?
On the new North Korean leader, Kim Jong-un: "This young man, should he make a choice that would help bring North Korea into the 21st century, could go down in history as a transformative leader. Or he can continue the model of the past and eventually North Korea will change, because at some point people cannot live under such oppressive conditions – starving to death, being put into gulags and having their basic human rights denied."
Who do you think said it? Secretary of State Hillary Clinton or Vice President Joe Biden?