President Warren G. Harding once said of himself: "I am not fit for this office and never should have been here."

"I know the human being and fish can coexist peacefully." President George W. Bush, September 2000, explaining his energy policies at an event in Michigan.

'The most terrifying words in the English language are: I'm from the government and I'm here to help.' - Ronald Reagan

Jimmy Carter was the first president to be born in a hospital.

'Here's my strategy on the Cold War: We win, they lose.'- Ronald Reagan

Pat Buchanan once said "Bill Clinton's foreign policy experience is pretty much confined to having had breakfast once at the International House of Pancakes"

I often thought that if there had been a good rap group around in those days, I might have chosen a career in music instead of politics. - Richard Nixon

'Politics is not a bad profession. If you succeed, there are many rewards; if you disgrace yourself, you can always write a book.' - Ronald Reagan

"Our enemies are innovative and resourceful, and so are we. They never stop thinking about new ways to harm our country and our people, and neither do we." President George W. Bush, Aug. 5, 2004, at the signing ceremony for a defense spending bill.

President Nixon appointed Warren Burger to be the Supreme Court chief justice in 1969. In 1974, the court, led by Burger, forced Nixon to surrender the White House tapes that led to his eventual resignation.

President Franklin Pierce was arrested while president for running over an old lady with his horse. The charges were later droppped.

'Government's view of the economy could be summed up in a few short phrases: If it moves, tax it. If it keeps moving, regulate it. And if it stops moving, subsidize it' - Ronald Reagan

Former President George H.W. Bush celebrated his 80th birthday with a 13,000 foot parachute jump over his presidential library in College Station, Texas.

"I remember meeting a mother of a child who was abducted by the North Koreans right here in the Oval Office." President George W. Bush, June 26, 2008, during a Rose Garden news briefing.

In 1984, President Reagan joked during a voice test for a radio address that he had "signed legislation that will outlaw Russia forever. We begin bombing in five minutes."