Republican bows out of race for presidential nomination after a fiery campaign that appealed to the party's right
"You're not gonna use the pink ball. We're not gonna let you do that. Not on camera."
Santorum, as overheard by a Reuters journalist, intervening to stop a young Republican picking up a pink bowling ball.
"My concern is being in combat in that situation. Instead of being focused on the mission, they may be more concerned with protecting someone who may be in a vulnerable position, a woman in a vulnerable position."
On the reaction of male soldiers to women in combat roles.
"The reason was the British national health system. Since people have the dependency they are never ever really free again."
On why he believes Margaret Thatcher left office lamenting she had not matched the achievements of Ronald Reagan.
"Many of the Christian faith have said, well, that's OK, contraception is OK. It's not OK. It's a licence to do things in a sexual realm that is counter to how things are supposed to be."
On birth control.
"All the people who live in the West Bank are Israelis, they're not Palestinians. There is no 'Palestinian'. This is Israeli land."
On the Palestinians.
"Is anyone saying same-sex couples can't love each other? I love my children. I love my friends, my brother. Heck, I even love my mother-in-law. Should we call these relationships marriage, too?"
On gay marriage.
"Would the potential attraction to Mormonism by simply having a Mormon in the White House threaten traditional Christianity by leading more Americans to a church that some Christians believe misleadingly calls itself Christian, is an active missionary church, and a dangerous cult?"
On the religion of the Republican frontrunner, Mitt Romney
"The notion that college education is a cost-effective way to help poor, low-skill, unmarried mothers with high school diplomas or GEDs [US General Educational Development tests] move up the economic ladder is just wrong."
On unmarried mothers, taken from his book, It Takes a Family: Conservatism and the Common Good