If somebody was sending rockets into my house, where my two daughters sleep at night, I’m going to do everything in my power to stop that, and I would expect Israelis to do the same thing.

I think that at a certain stage those early ambitions burn away, partly because you achieve something, you get something done, you get some notoriety. And then the particularities of who you are and what your deepest commitments are begin expressing themselves. You're not just chasing the idea of "me" being important, but you, rather, are chasing a particular passion.

I marched with you in the streets of Chicago to meet our immigration challenge. I fought with you in the Senate for comprehensive immigration reform. And I will make it a top priority in my first year as President.

I know starting careers in troubled times is a challenge, but it is also a privilege. Because it's moments like these that force us to try harder, dig deeper and to discover gifts we never knew we had. To find the greatness that lies within each of us. So don't ever shy away from that endeavor. Don't stop adding to your body of work. I can promise that you will be the better for that continued effort as will be this nation that we all love.

We don't have this huge footprint, we are less likely to be targeted as, you know, occupiers [in Afghanistan and Iraq].

There are problems that just end up being really hard and by definition the only problems that come to my desk are the ones that nobody else can solve.

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.