This is one way that wealthy Americans could really contribute. They could put hundreds of millions of dollars into the infrastructure bank, be a good investment for them, for their children, for their grandchildren, and they would directly contribute to revitalizing a big sector of middle-class wages in America and making our country more productive, so that we could create more opportunity. But I think that we could get a lot of grassroots support from, like, local chambers of commerce and other things if they understood exactly how this infrastructure bank would work.

When personal freedom's being abused, you have to move to limit it. That's what we did in the announcement I made last weekend on the public housing projects, about how we're going to have weapon sweeps

When you're president, you have more power to help more people, but you also are the prisoner of circumstances as well, and countervailing political forces more.

Today’s generation of young people holds more power than any generation before it to make a positive impact on the world.

A significant number of petroleum geologists believe that we will reach the global maximum of petroleum extraction within this decade or that we have already reached it. Peak Oil happened in 1970 in America, when over half of our oil that we gained from the soil was exhausted ... This is very disturbing, regardless of global warming.

...the fact [is] that our borders leak like a sieve: those things cannot be permitted to continue in good conscience.

If you come from a wealthy country with open borders, unless you seriously believe you can kill, imprison or occupy all your enemies, you have to make a world with more friends and fewer enemies - with more partners and fewer terrorists.