Barack Obama

"The world will look to us, America, to see if we still believe in the power of our ideals."

"I think we have an obligation to think about future generations."

"The moment I heard about audacity of hope, it changed my view of the world."

"We've got to change our political culture."

"America is a place where all things are possible."

"I want to be a president that helps Americans realize their dreams, not constrains them."

"If people would just talk to one another, we could solve a lot of problems."

"The Constitution is not a static document."

"I want to be absolutely clear: we do not torture."

"I'm asking you to believe that the change we need is possible."

"To the extent that we've ignored science, we do so at our peril."

"The country needs a change."

"It was the work of ordinary citizens that brought about change."

"Dreams from my father are still my dreams."

"I want America to take a step back and think more broadly about our future."

"There are times when we stray from our values."

"I think we need to inject some of that sense of possibility into our politics."

"When I was a young man, I was angry."

"I think that we all have a responsibility to think about future generations."

"The American story is one of progress."

"We need to be the change we wish to see in the world."

"My belief is that we can do better as a country."

"I'm asking you to stand up for what you believe in."

"The presidency is a responsibility that should not be taken lightly."

"I think diversity is a great strength."

"Change has to come from the bottom up."

"I do think we have a choice in terms of how we approach our future."

"I want to make sure that we are living our values."

"America's greatest strength is not our military might, but our moral authority."

"I will not abandon my values."