"Content makes poor men rich discontent makes rich men poor."

"Energy and persistence conquer all things."

"Being ignorant is not so much a shame, as being unwilling to learn."

"For having lived long, I have experienced many instances of being obliged, by better information or fuller consideration, to change opinions, even on important subjects, which I once thought right but found to be otherwise."

"Look, we know we screwed up when we were in the majority. We fell in love with power. We spent way too much money - especially on earmarks. There was too much corruption when we ran this place. We were guilty. And that's why we lost."

"For industry to settle in a country, you first need electricity for electricity, you need some trained workers for trained workers, you need some schools for schools you need some money for money, you need some industry."

"What we get from this adventure is just sheer joy. And joy is, after all, the end of life. We do not live to eat and make money."

"Attacks on a politician's identity - questioning Romney's religion, say, or Obama's birthplace - tend to come when an opponent is desperate and can't sell himself."