Never give up on your dreams.

I think it's very important to remember that so much of the work that gets done between countries is not done at the level of presidents, but is done within various agencies, whether it's law enforcement or economic ministries. And when they establish relationships and systems of communications and shared projects and shared visions, those structures continue even after any particular president is gone. It builds trust and understanding between countries that are critically important.

Today we are engaged in a deadly global struggle for those who would intimidate, torture, and murder people for exercising the most basic freedoms. If we are to win this struggle and spread those freedoms, we must keep our own moral compass pointed in a true direction.

Our enemies are also seeking the abilities to sabotage our power grid, our financial institutions, our air traffic control systems.

Jobs was brave enough to think differently, bold enough to believe he could change the world, and talented enough to do it.

A number of countries, including some who have loudly criticized the NSA, privately acknowledge that America has special responsibilities as the world's only superpower, that our intelligence capabilities are critical to meeting these responsibilities, and that they themselves have relied on the information we obtain to protect their own people.

America’s possibilities are limitless, for we possess all the qualities that this world without boundaries demands: youth and drive; diversity and openness; an endless capacity for risk and a gift for reinvention. My fellow Americans, we are made for this moment, and we will seize it - so long as we seize it together.