We believed we could prepare our kids for a more competitive world. And today, our younger students have earned the highest math and reading scores on record. Our high school graduation rate has hit an all-time high. And more Americans finish college than ever before.

I was able to excite and engage people who previously hadn't been involved in politics, and part of the reason that I was able to be re-elected and stay relatively popular in the United States was because even when the economy was bad or we had problems, people sensed that I listened to them and I was on their side.

I think that there's a power in that [information through tweets and sound bites ]. There's also a danger, what generates a headline or stirs up a controversy and gets attention isn't the same as the process required to actually solve the problem.

I am absolutely certain that generations from now, we will be able to look back and tell our children that this was the moment when we began to provide care for the sick and good jobs to the jobless; this was the moment when the rise of the oceans began to slow and our planet began to heal; this was the moment when we ended a war and secured our nation and restored our image as the last, best hope on earth. This was the moment - this was the time - when we came together to remake this great nation so that it may always reflect our very best selves and our highest ideals.

We are willing to uphold principles that have resulted in unprecedented prosperity and security throughout Europe and around the world. With the threat of climate change only becoming more urgent, Angela [Merkel] and I focused on the need for American and E.U. leadership to advance global cooperation.

The United States is doing our part by increasing the number of refugees we resettle and I want again to commend Angela [Merkel], and more importantly, the German people for the extraordinary leadership and compassion that you have shown in the face of what I know is a very difficult challenge.

The bottom line is this - whereas Iran was steadily expanding its nuclear program, we have now cut off every single path that Iran could have used to build a bomb.