Islam has a proud tradition of tolerance. - Barack Obama

The questions we face today -- how to promote equality and justice; how to uphold freedom and human rights; how to end conflict and sectarian war -- these things do not have easy answers. But there were no easy answers in front of that child born in World War I. Nelson Mandela reminds us that it always seems impossible until it is done. South Africa shows that is true. South Africa shows we can change, that we can choose a world defined not by our differences, but by our common hopes. We can choose a world defined not by conflict, but by peace and justice and opportunity.

Whenever I travel the world, from Europe to Africa, South America to Southeast Asia, one of the things I most enjoy doing is meeting young men and women like you. It’s more fun than being in a conference room. And it’s also more important -- because you are the young leaders who will determine the future of this country and this region. So I’m going to keep my remarks short at the top, because I want to take as many questions and comments from you.

And at the time the Republican Congress and a Senate candidate by the name of Mitt Romney — [crowd boos] No, no, no — Don't boo, vote. Vote! Voting's the best revenge.