“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.”

“I'm inspired by the people I meet in my travels--hearing their stories, seeing the hardships they overcome, their fundamental optimism and decency. I'm inspired by the love people have for their children. And I'm inspired by my own children, how full they make my heart. They make me want to work to make the world a little bit better. And they make me want to be a better man.”

“To the furniture worker's child in North Carolina who wants to become a doctor or a scientist, an engineer or an entrepreneur, a diplomat or even a president -- that's the future we hope for. That's the vision we share. That's where we need to go -- forward”

“To those Americans whose support I have yet to earn, I may not have won your vote tonight, but I hear your voices. I need your help. And I will be your president, too.”

“I wish the country had fewer lawyers and more engineers.”

“I have always believed that hope is that stubborn thing inside us that insists, despite all the evidence to the contrary, that something better awaits us so long as we have the courage to keep reaching, to keep working, to keep fighting.”

“Ours is not the first generation to understand the dire need for health reform. And I am not the first president to take up this cause, but I am determined to be the last.”