America is addicted to oil...We must also change how we power our automobiles. We will increase our research in better batteries for hybrid and electric cars and in pollution-free cars that run on hydrogen. We will also fund additional research in cutting-edge methods of producing ethanol, not just from corn but from wood chips and stalks or switch grass.

Hopefully I'm not a grumpy old guy sitting in the corner, yelling at people and demanding things.

[Saddam Hussein] is a threat because he is dealing with al-Qaeda. . . . A true threat facing our country is that an al-Qaeda-type network trained and armed by Saddam could attack America and not leave one fingerprint.

Russia's most precious resource is the brain power of this country. And you've got a lot of it. It's going to take a lot of brains in Russia to create a drain.

People who plan their life when they're 18 years old and say, "This is my life plan," would generally be surprised and maybe disappointed.

The great thing about America is, you don't have to listen unless you want to.

The Iraqi regime is a threat of unique urgency. [...] It has developed weapons of mass death.