A political tip sheet for the rest of us

—"We convince people around the world to buy a brown, caramel-colored water called Coca-Cola and to pay like a half day's wage for it. And they'll buy it. It's unbelievable. We're able to convince people of things that sometimes you scratch your head ... And yet democracy, we don't sell that so well." — Romney.

"Any bill you write that is comprehensive has too many enemies." — Gingrich on pushing for a measured approach to revising the nation's immigration laws.

—"When it comes to putting anything into your body, or your mouth, in your lungs, you can't do it without permission of the government." — Paul, railing against government involvement in lifestyle choices.

—"We haven't even had a discussion about a discussion. ... We feel good that as time goes on, we're going to look better." — Santorum on whether he was considering dropping out of the race.