But let me perfectly clear, because I know you'll hear the same old claims that rolling back these tax breaks means a massive tax increase on the American people: if your family earns less than $250,000 a year, you will not see your taxes increased a single dime. I repeat: not one single dime.

If we want to make the best products, we also have to invest in the best ideas... Every dollar we invested to map the human genome returned $140 to our economy... Today, our scientists are mapping the human brain to unlock the answers to Alzheimer's... Now is not the time to gut these job-creating investments in science and innovation. Now is the time to reach a level of research and development not seen since the height of the Space Race.

Operations in Iraq and Afghanistan and the war on terrorism have reduced the pace of military transformation and have revealed our lack of preparation for defensive and stability operations. This Administration has overextended our military.

Focusing your life solely on making a buck shows a certain poverty of ambition. It asks too little of yourself. Because it's only when you hitch your wagon to something larger than yourself that you realize your true potential.

There are dangers that globalization increases inequality. There are dangers that because capital is mobile and workers are not, if we are not providing them sufficient protection, that they can be left behind in this process. And that's what we have to focus on.

On September 11th, 2001, in our time of grief, the American people came together. We offered our neighbors a hand and we offered the wounded our blood. We reaffirmed our ties to each other and our love of community and country. On that day, no matter where we came from, what God we prayed to, or what race or ethnicity we were, we were united as one American family.

My relationship with Silicon Valley and the tech community historically has been really good. Many of these folks are my friends.