"Now, do I think there has to be shared sacrifice among other nations in the world who want a stable and secure world? Absolutely, there has to be. But I don't think that America can ever abdicate its leadership role in the world because of who we are and where we've come from. We are the symbol for the world for freedom and liberty."

"As an organizer, I start from where the world is, as it is, not as I would like it to be. That we accept the world as it is does not in any sense weaken our desire to change it into what we believe it should be - it is necessary to begin where the world is if we are going to change it to what we think it should be. That means working in the system."

"The person who takes the oath of office in the next four months will shape not just the next four years, but the next forty years of our nation. In these next four years, we need proven leadership, proven judgment and proven values. America needs four more years of President Barack Obama."

"Now that you are a leader. Everyone will want to know what you are doing and feel at liberty to comment or scrutinize even your private life. The world will become interested in your family life, your health, your achievements but most interestingly your shortcomings."