“As president, I believe that robotics can inspire young people to pursue science and engineering. And I also want to keep an eye on those robots in case they try anything.”

“another tradition to politics, a tradition (of politics) that stretched from the days of the country’s founding to the glory of the civil rights movement, a tradition based on the simple idea that we have a stake in one another, and that what binds us together is greater than what drives us apart, and that if enough people believe in the truth of that proposition and act on it, then we might not solve every problem, but we can get something meaningful done.”

“This election is about the past vs. the future. It's about whether we settle for the same divisions and distractions and drama that passes for politics today or whether we reach for a politics of common sense and innovation, a politics of shared sacrifice and shared prosperity. There are those who will continue to tell us that we can't do this, that we can't have what we're looking for, that we can't have what we want, that we're peddling false hopes. But here is what I know. I know that when people say we can't overcome all the big money and influence in Washington, I think of that elderly woman who sent me a contribution the other day, an envelope that had a money order for $3.01 along with a verse of scripture tucked inside the envelope. So don't tell us change isn't possible. That woman knows change is possible. When I hear the cynical talk that blacks and whites and Latinos can't join together and work together, I'm reminded of the Latino brothers and sisters I organized with and stood with and fought with side by side for jobs and justice on the streets of Chicago. So don't tell us change can't happen. When I hear that we'll never overcome the racial divide in our politics, I think about that Republican woman who used to work for Strom Thurmond, who is now devoted to educating inner city-children and who went out into the streets of South Carolina and knocked on doors for this campaign. Don't tell me we can't change. Yes, we can. Yes, we can change. Yes, we can. Yes, we can heal this nation. Yes, we can seize our future. And as we leave this great state with a new wind at our backs and we take this journey across this great country, a country we love, with the message we carry from the plains of Iowa to the hills of New Hampshire, from the Nevada desert to the South Carolina coast, the same message we had when we were up and when we were down, that out of many, we are one; that while we breathe, we will hope. And where we are met with cynicism and doubt and fear and those who tell us that we can't, we will respond with that timeless creed that sums up the spirit of the American people in three simple words -- yes, we can.”

“There's a wonderful, perhaps apocryphal story that people tell about Daniel Patrick Moynihan, the brilliant, prickly, and iconoclastic late senator from New York. Apparently, Moynihan was in a heated argument with one of his colleagues over an issue, and the other senator, sensing he was on the losing side of the argument, blurted out: 'Well, you may disagree with me, Pat, I'm entitled to my own opinion." To which Moynihan frostily replied, "You are entitled to you own opinion, but you are not entitled to you own facts.”

“While we breathe, we will hope.”

“We are the change we have been waiting for.”

“I stand here today humbled by the task before us, grateful for the trust you have bestowed, mindful of the sacrifices borne by our ancestors.”

“The result is autobiographical, although whenever someone’s asked me over the course of these last three years just what the book is about, I’ve usually avoided such a description. An autobiography promises feats worthy of record, conversations with famous people, a central role in important events. There is none of that here.”

“When I was a kid I inhaled frequently. That was the point.”

“Let it be said by our children's children thta when we were tested we refused to let this journey end, that we did not turn back nor did we falter; and with eyes fixed on the horizon and God's grace upon us, we carried frth that great gift of freedom and delivered it safely to future generations.”

“This is the moment we must come together to save this planet. Let us resolve that we will not leave our children a world where the oceans rise and famine spreads and terrible storms devastate our lands.”

“The question we ask today is not whether our government is too big or too small, but whether it works”

“the words have been spoken during rising tides of prosperity and the still waters of peace. Yet every so often, the oath is taken amidst gathering clouds and raging storms...”

“If they bring a knife to the fight, we bring a gun.”

“I believe in (the American) people. I believe that people are more good than bad. I believe tragic things happen. I think there's evil in the world. But I think that at the end of the day, if we work hard, and if we're true to those things in us that feel true and feel right, that, the world gets a little better each time. That's what this presidency is trying to be about. And I see that in the young people i work with. This is not just drama-obama. This is what I really believe.”